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How to Choose the Right Hiking Backpack Sizes for Any Trip

how to choose the right hiking backpack sizes for any trip
how to choose the right hiking backpack sizes for any trip

You want the right hiking backpack so your trip feels comfortable. The best size depends on how long you plan to hike and what you need to carry. Take a look at this simple table to help you choose:

Backpack SizeSuitable For
25LDay hikes
32LDay hikes (limited space)
36LOvernight trips (manageable)
47L1-2 night trips
60LMulti-day trips
70LMulti-day expeditions
backpack sizeby trip duration

You can feel confident choosing from these hiking backpack sizes. Think about your gear, trip length, and comfort. Hiking gets easier when you pick the right pack!

Key Takeaways

  • Pick a backpack size that matches your trip length. Day hikes need 15-30 liters. Multi-day trips need 50-70 liters.
  • For day hikes, use a pack between 20-35 liters. This size can hold water, snacks, and extra clothes.
  • Overnight trips need a pack size of 30-50 liters. This gives space for a sleeping bag, food, and more clothes.
  • Multi-day hikes need bigger packs, usually 50-70 liters. This size fits extra food and gear for longer trips.
  • Always try on your backpack to check the fit. Adjust the straps so it feels good on your hips and back.
  • Do not overpack your backpack. Bring only the most important things you need.
  • Put heavy items close to your back for better balance. Keep your gear organized so you can find things fast.
  • Think about your body type when picking a pack. Packs come in different shapes and sizes for comfort.

Hiking Backpack Sizes Overview

hiking backpack sizes

Day Hike Packs

You want a pack that feels light and easy to carry for a day hike. Most hikers choose a size between 15 and 30 liters. This size gives you enough space for water, snacks, a light jacket, and a first aid kit. If you plan a short hike, a pack with a capacity of 10 to 20 liters works well. For longer day hikes or if you need extra gear, look for a pack in the 20 to 35 liter range. Winter hikes or hikes with unpredictable weather may require a pack closer to 30 liters so you can fit extra layers.

Tip: Always check your gear before heading out. The right size helps you avoid carrying too much or too little.

Here’s a quick look at how different pack sizes fit day hike needs:

Capacity RangeUse Case
10-20 litersShort day hikes
18-24 litersSummit packs
20-30 litersAverage day hikes
30-40 litersLong day hikes, ultralight overnight

You want a pack that matches your trip length and gear. The right hiking backpack sizes make your hike more enjoyable.

Overnight Packs

Planning to spend a night outdoors? You need a pack with more space. Most overnight packs fall between 30 and 50 liters. This size lets you carry a sleeping bag, shelter, food, and extra clothing. If you pack light, you might get by with a pack capacity of 30 liters. For more comfort or colder weather, look for a pack closer to 50 liters.

Here’s a table showing how pack size matches overnight trips:

Backpack UseSize Range (Liters)
Overnight Trips or Extended Day Hikes10-30
Weekend Trip or International Travel30-50
Week-long trips50-70
Extended travel (2+ weeks)70+

Most hikers find that a pack in the 30-50 liter range gives enough capacity for the essentials. You need space for the “Big 4”: your pack, shelter, sleeping bag, and sleeping pad. These items take up a lot of room, so choosing the right size matters.

Note: If you plan to camp in cold weather, pick a pack with extra capacity for warm gear and food.

Backpack Size Ranges by Use

Multi-Day Packs

If you want to hike for several days, you need a pack with even more space. Multi-day packs usually range from 50 to 70 liters. This size lets you carry extra food, clothing, and gear for longer trips. You need more capacity for food, especially if you hike in cold weather. Most hikers bring 1.5 to 2 pounds of food per day, and sometimes more if it’s cold.

For trips longer than three days, look for a pack size above 60 liters. You want enough space for everything, but you don’t want to carry too much weight. The right hiking backpack sizes help you stay comfortable and organized.

Here’s a table that shows how pack capacity matches trip length:

Trip LengthBackpack Size (Liters)
Overnight and/or ultralight gear35 to 55
Long weekend (2-3 nights)50 to 70
Extended trips (over 3 days)60+

Tip: For multi-day hikes, always pack extra food and supplies in case your trip takes longer than planned.

Choosing the right size for your hiking backpack makes every trip easier. You want enough capacity for your gear, but not so much that your pack feels heavy. Think about your trip length, the gear you need, and the weather. The right hiking backpack sizes help you enjoy your adventure.

Size Comparison Table

Choosing the right backpack size can feel tricky. You want a pack that fits your trip and your gear. Take a look at this table. It shows the recommended backpack sizes for different hiking adventures:

Trip TypeRecommended Size (Liters)What You Can Carry
Day Hike15-30Water, snacks, light jacket, first aid kit
Overnight30-50Sleeping bag, shelter, food, extra clothing
Multi-Day50-70Extra food, clothing, camping gear, supplies

You can use this table as a quick guide. It helps you match your backpack to your trip.

Let’s break down how trip duration changes what you need:

  • You need a medium-sized backpack for overnight trips. This gives you space for sleeping gear and food.
  • You can use a 30-liter pack for weekend hikes. It holds your essentials like clothing and food.
  • If you pack light, a 40 or 50-liter backpack works for a 3-day hike. You can fit everything you need without extra bulk.
  • You need a larger backpack if you carry sleeping bags and camping gear. More gear means more space.

Tip: Always think about your trip length before you pick a backpack. Longer trips need more room for supplies and comfort.

You want a pack that feels right for your adventure. If you choose a size that matches your trip, you stay comfortable and organized. You avoid carrying too much or too little. Your hiking experience gets better when your backpack fits your needs.

Day Hike Essentials

Recommended Size

Choosing the right backpack size makes your hike easier. For most day hikes, you want a pack that holds between 20 and 35 liters. Many hikers find that a 25–30 liter backpack gives enough room for water, lunch, and extra clothing. This size keeps your load light and helps you move comfortably. If you plan a short hike, you can go with a smaller pack. If you expect changing weather or need more gear, pick a pack closer to 35 liters. Your day hiking pack should feel easy to carry and fit your body well.

Tip: Try your pack on before your hike. Adjust the straps so the weight sits close to your back.

Gear Checklist

Packing the right gear keeps you safe and prepared. Here’s a list of essentials you should bring on every hike:

  • Hydration system (water bottle or reservoir)
  • First aid kit
  • Food and snacks
  • Navigation tools (map, compass, or GPS)
  • Safety whistle
  • Sturdy backpack
  • Appropriate footwear
  • Flashlight or headlamp
  • Personal items (cell phone, ID)
  • Two itineraries left with a friend

Each item helps you stay safe and comfortable. Hydration keeps you from getting tired. Food gives you energy. Navigation tools help you find your way. A whistle can help others find you if you get lost. Good shoes protect your feet on rough trails.

Packing Tips

Packing your backpack the right way makes your hike more enjoyable. You want to use space wisely and keep your gear organized. Here are some tips to help you pack:

TipDescription
Compression SacksSqueeze bulky items like jackets to save space.
WaterproofingUse dry sacks to keep important gear safe from rain.
OrganizationPack similar items together in small stuff sacks for easy access.
  • Pack heavy items close to your body for better balance.
  • Divide your pack into zones: bottom for bulky gear, core for heavy items, top for essentials.
  • Use packing cubes for quick access, but watch the weight.

When you pack, think about what you need first. Put snacks and a map at the top. Place heavier things near your back. This helps you stay balanced and comfortable during your hike.

Weather Prep

Weather can change fast on the trail. Always pack a light jacket or rain shell, even if the forecast looks clear. If you hike in colder months, add gloves and a hat. Layer your clothing so you can adjust as the temperature changes. Keep your rain gear in an easy-to-reach spot.

Note: Check the weather before you leave. Bring extra layers if you expect wind or rain.

Food & Water

You need enough food and water for your hike. Bring at least one liter of water for every two hours of hiking. Pack snacks like trail mix, granola bars, or fruit. If your hike lasts all day, add a sandwich or something more filling. Keep your water bottle in a side pocket for quick access. Store snacks at the top of your pack so you can grab them when you need energy.

Tip: Drink water often, even if you don’t feel thirsty. Eat small snacks to keep your energy up.

Overnight Hiking Pack Guide

Best Size Range

When you plan an overnight hike, you want a backpack that fits all your gear but does not weigh you down. Most hikers find that a pack between 45 and 60 liters works best. If you like to pack light, you can use a 45-liter pack. If you want a few extra comforts or plan a longer backpacking trip, a 60-liter pack gives you more space. Some people use packs over 70 liters for special trips, but most overnight hikes do not need that much room.

Here’s a quick table to help you choose:

Pack Size (Liters)Description
45Lower limit for ultralight packing. Great for experienced backpackers.
60Ideal for a week-long trip with some luxuries. Also works for weekend hikes.
70+Best for extended expeditions or special backcountry needs.

Tip: Try your pack on before your trip. Make sure it feels comfortable when loaded.

Gear List

You need to bring the right gear for a safe and fun overnight hike. Some items take up more space than others. The biggest items in your pack will be:

  • Tent
  • Sleeping Bag
  • Sleeping Mat

You also want to pack:

  • Food and snacks
  • Water bottles or hydration system
  • Cooking gear (stove, fuel, pot)
  • Headlamp or flashlight
  • First aid kit
  • Extra clothing
  • Rain jacket
  • Map and compass
  • Personal items (toothbrush, sunscreen, bug spray)

Note: Always check your gear before you leave. Make sure everything fits in your pack.

Packing Advice

Packing your backpack the right way makes your hike easier. You want to balance the weight and keep important things easy to reach. Here are some tips to help you pack for your overnight hike:

  • Put heavy items and water in the front pockets to balance lighter gear in the main pack.
  • Store your sleeping bag at the bottom of your pack. This keeps it out of the way until you need it.
  • Place the heaviest items close to your back. This helps you stay balanced and takes pressure off your shoulders.
  • Fill gaps around heavy items with lighter things like clothes. This keeps your pack stable.
  • Attach your sleeping pad inside the lid or strap it outside. This saves space and protects the pad.
  • Separate your tent parts. Put the tent body at the bottom and slide the poles in vertically.
  • Use outer pockets for things you need often, like snacks or your first aid kit.

Shelter

Your tent, sleeping bag, and mat take up the most space. Pack your tent body at the bottom of your pack. Slide the poles along the side or in a vertical pocket. Put your sleeping bag in a stuff sack and place it at the bottom too. This keeps your shelter gear together and easy to find when you set up camp.

Cooking

Keep your cooking gear simple. Use a small stove, one pot, and a lightweight fuel canister. Store these items in the middle of your pack, close to your back. Put your food in a dry bag and fill any empty spaces. Keep snacks and a water bottle in an outside pocket so you can grab them quickly during your hike.

Pro Tip: Practice packing your backpack before your trip. You will find the best way to fit everything and stay comfortable on the trail.

Multi-Day Hiking Backpack Sizes

Ideal Volume

When you plan a multi-day backpacking trip, you need a backpack that can handle all your gear. Most hikers choose a pack between 50 and 70 liters for these adventures. This size gives you enough space for food, clothing, shelter, and extra supplies. If you go on a trip longer than three days, you might want a pack closer to 70 liters. You want to avoid carrying too much weight, so pick a size that matches your gear and comfort level.

Tip: Try packing your gear before your trip. This helps you see if your backpack has enough room and feels comfortable.

Here’s a quick table to help you decide:

Trip LengthRecommended Pack Size (Liters)
3-5 days50-60
5+ days60-70

Gear Needs

A multi-day backpacking trip means you need more gear than a short hike. You must bring extra food, water, and clothing. You also need shelter, a sleeping bag, and a sleeping pad. Packing the right clothing is important. Wool and synthetic fibers work best because they keep you warm even when wet. Cotton and bamboo clothes do not manage moisture well and can make you cold if they get damp. Choosing the right materials helps you stay comfortable and safe.

  • Wool and synthetic materials keep you warm, even in wet weather.
  • Cotton and bamboo clothing can cause problems in cold or rainy conditions.
  • Proper clothing helps prevent hypothermia during a multi-day hike.

You also need to think about cooking gear, a first aid kit, and navigation tools. Bring enough food for each day, plus a little extra in case your trip takes longer than planned.

Packing Strategies

Packing your backpack the right way makes your trip easier. You want to organize your gear so you can find things quickly and carry the weight comfortably.

  • Use compression sacks for bulky items like sleeping bags. This saves space in your pack.
  • Organize your gear into zones. Keep things you use often, like snacks and rain gear, at the top.
  • Fill gaps with small items such as socks or food. This helps you use every bit of space.

Clothing Layers

Layering your clothing is key for a multi-day backpacking trip. Start with a base layer made from wool or synthetic fibers. Add a warm middle layer and finish with a waterproof jacket. Avoid cotton and bamboo because they do not keep you warm when wet. Pack extra socks and underwear so you stay dry and comfortable.

Note: Always pack an extra set of clothes in a dry bag. This keeps them safe from rain and river crossings.

Extra Supplies

You need to bring extra supplies for a multi-day hike. Pack more food than you think you need. Include a small repair kit for your gear. Bring a backup water filter or purification tablets. Carry a headlamp with spare batteries. These items help you handle unexpected problems and stay safe.

  • Extra food and snacks
  • Repair kit (duct tape, needle, thread)
  • Backup water treatment
  • Spare batteries for your headlamp

Packing smart helps you enjoy your adventure and stay prepared for anything.

Hiking Pack Fit & Comfort

Getting the right fit for your hiking pack makes every trip more enjoyable. You want your pack to feel like it belongs on your back. When you test different packs, pay attention to how they sit on your body and how easy it is to move.

Trying On Packs

Start by putting some weight in the hiking pack. Most stores have sandbags or gear you can use. Put the pack on and adjust it so it sits on your hips, not your waist. Walk around the store. Swing your arms and bend your knees. Notice if the pack moves or feels loose.

Here’s a simple way to test the fit:

  1. Adjust the sternum strap so it sits just below your collarbone. This keeps the shoulder straps from slipping.
  2. Check the frame and suspension system. Make sure they line up with your back and give you support.
  3. Distribute the weight by placing heavier items close to your back.
  4. Walk around with the pack for a few minutes. Look for any spots that rub or feel uncomfortable.
  5. Reevaluate and readjust as needed. Your body may change during a hike, so check the fit often.

Tip: A good hiking pack should feel stable and balanced, even when you move quickly.

Adjusting Straps

Straps help you fine-tune the fit of your hiking pack. You want the pack to hug your body without feeling tight. Start with the shoulder straps. They should lie flat against your shoulders and allow your arms to move freely. Next, adjust the hip belt so it sits snugly on your hips. The belt should not ride up when you walk.

Follow these steps for the best fit:

  • Adjust shoulder straps so there are no gaps.
  • Position the hip belt around your hips, not your waist.
  • Set the load lifters at a 45-degree angle. This helps stabilize the pack.
  • Adjust the chest strap to your upper chest. Make sure you can breathe easily.

Some hiking pack features, like extra padding or adjustable frames, can make a big difference. Look for features that match your hiking style. For example, if you hike in hot weather, choose a pack with a breathable back panel.

Weight Balance

Packing your hiking pack the right way keeps you comfortable and safe. Place heavier items close to your back and centered between your shoulders. This helps you stay balanced and reduces fatigue. Keep lighter gear on the outside or in pockets.

Here are some quick tips for weight balance:

  • Distribute the load around your body’s center of gravity.
  • Use front balance bags or pockets for symmetry.
  • Pack heavy items near the back panel.
  • Store lighter gear on the outside.

Note: The right features, like multiple pockets and adjustable straps, help you organize your gear and keep your pack balanced.

When you take time to fit and adjust your hiking pack, you set yourself up for a great adventure. The right features and a good fit mean less pain and more fun on the trail.

Personal Needs & Adjustments

Body Type

Your body shape plays a big role in how your hiking backpack fits. You want a pack that feels comfortable and balanced. Here are some things to think about:

  • If you have a larger waist, you may need a plus-sized backpack. A smaller waist fits better with a slim hip belt.
  • Shoulder straps come in different shapes. Straight straps work well for broad shoulders. S-curved straps fit better if you have narrow shoulders or a curvier chest.
  • A good pack should feel secure. It should spread the weight across your hips and back, not just your shoulders.

Tip: Try on different packs before you buy. Walk around the store and see how each one feels. The right fit makes a big difference on the trail.

Special Gear

Sometimes your adventure calls for special gear. You might need a bigger or different kind of backpack. Here are some reasons you might want a special pack:

  • Ultralight packs work great if you like to hike with only the basics.
  • Winter backpacks give you space for bulky jackets, sleeping bags, and extra layers.
  • Waterproof dry packs keep your gear safe when you hike in wet places.
  • Trekking backpacks are bigger and heavier. They are made for long trips and can hold more supplies.
  • If you plan a trip for 3-5 nights, a 50-70 liter pack is a good choice. For longer or winter trips, you may need 70 liters or more.

Note: Always match your backpack to your trip. The right pack keeps your gear safe and makes your hike more fun.

Customization

You can make your hiking backpack fit your needs with custom options. Many brands let you choose the features you want. Here are some examples:

ManufacturerCustomization Options
Chris ZimmerVolume, material, pocket setup, extra features, fabric choices (X-Pac, Dyneema X, Hybrid Cuben Fiber)
Alpin Mountain Co.Custom fit and features, alpine design, urban style
Superior Wilderness DesignsTorso size, body/base fabrics, colors, pockets, pouches, compression, load lifters
Atom PacksBody color, size, fabric, made to order, personal fitting
Totally PromotionalMaterial choices: Polyester, Nylon, Cotton Canvas, each with different comfort and durability

You can also pick:

  • The volume that matches your trip
  • The material for weather and weight
  • Pocket setups for easy access
  • Compression straps and load lifters for better balance

Tip: Customizing your backpack helps you hike in comfort. You get a pack that fits your body and your adventure.

Common Mistakes

Choosing a hiking backpack is exciting, but you can make mistakes that affect your trip. Let’s look at three common problems: overpacking, underpacking, and ignoring fit. You want to avoid these so your hike feels safe and comfortable.

Overpacking

You might think you need to bring everything “just in case.” Many hikers fill their backpacks with extra clothes, gadgets, and gear they never use. This makes your pack heavy and hard to carry. You end up sweating and feeling tired before you even reach the trail’s end.

There are times when you’re out in the summer and you see hikers dripping in sweat, weighed down with stuff. Their backpacks are stuffed full with ‘just-in-case’ items or ‘maybe-I-could-use-this’ things. There’s nothing worse than finishing a hike, unpacking at home, and realizing you didn’t use half the items in your pack.

To avoid overpacking, focus on what you really need. Here’s how you can keep your pack light:

  • Prioritize essential items.
  • Plan your outfits for the trip.
  • Think about the weather and your planned activities.

When you pack, put heavy items close to your back. This helps you balance the weight. Store snacks and maps in pockets you can reach easily.

Underpacking

Packing too little can be risky. You might forget something important and face trouble on the trail. You want to make sure you have all the basics for safety and comfort.

Here’s a checklist to help you avoid underpacking:

  1. Navigation Tools: Bring a map, compass, or GPS. Download your trail map before you leave. Carry a power bank for your phone.
  2. Hydration System: Pack enough water or a filter.
  3. Nutritious Snacks: Take high-energy snacks like trail mix or energy bars.
  4. First Aid Kit: Include bandages, wipes, pain relievers, and personal medicine.
  5. Weather-Appropriate Clothing: Dress in layers. Bring a rain jacket, hat, gloves, and extra socks.
  6. Emergency Shelter: Carry a blanket or bivy sack.
  7. Multi-Tool or Knife: Useful for repairs or emergencies.
  8. Whistle and Signal Mirror: These help you get attention if you’re lost.
  9. LED Headlamp or Flashlight: Always have a light source.
  10. Personal Locator Beacon or Satellite Messenger: Good for remote hikes.

Missing any of these items can turn a fun hike into a tough situation. Always double-check your gear before you leave.

Ignoring Fit

You might pick a backpack based only on size or style. If it doesn’t fit your body, you’ll feel sore and tired. A poor fit can cause back pain, shoulder aches, and even blisters.

Here’s what you should do:

  • Try on different packs before you buy.
  • Adjust the straps so the pack sits on your hips, not your waist.
  • Make sure the shoulder straps feel comfortable and don’t dig in.
  • Walk around with the pack loaded to test the fit.

Tip: A well-fitted backpack feels like part of your body. You move easily and enjoy your hike more.

Avoid these mistakes and you’ll have a better hiking experience. Your backpack should help you, not slow you down!

Conclusion

Choosing the right hiking backpack size makes your trip smoother. Match your pack to your trip length and gear. Always try on different packs to find the best fit for your body.

  • Test comfort before you buy.
  • Pack only what you need.
  • Think about your adventure style.

Need help? Contact us! We are a professional hiking backpack manufacturer. We offer custom wholesale, OEM, and ODM options just for you.

FAQ

How do I measure my torso for a hiking backpack?

You need a flexible tape measure. Start at the base of your neck and measure down to the top of your hips. This number helps you pick the right pack size.

Can I use a daypack for an overnight trip?

You can use a daypack if you pack ultralight gear. Most people need more space for sleeping bags and food. Overnight trips work best with packs over 30 liters.

What’s the difference between men’s and women’s backpacks?

Women’s backpacks have shorter torso lengths and shaped shoulder straps. These packs fit your body better if you have a smaller frame or curvier chest.

How much weight should I carry in my hiking backpack?

Try to keep your pack under 20% of your body weight. Lighter packs help you hike farther and feel less tired. Always test your pack before your trip.

Do I need a rain cover for my backpack?

A rain cover keeps your gear dry during wet weather. Many packs come with built-in covers. If yours doesn’t, you can buy one that fits your pack size.

How do I clean my hiking backpack?

Empty your pack. Use a soft brush and mild soap. Wipe the inside and outside. Let it air dry. Don’t use a washing machine or dryer.

Can I adjust my backpack for better comfort?

Yes! Adjust the shoulder straps, hip belt, and chest strap. Make sure the pack sits on your hips. Tighten or loosen straps until the pack feels snug but not tight.

What features should I look for in a hiking backpack?

Look for padded straps, adjustable belts, and plenty of pockets. A good pack has a sturdy frame and fits your torso length. Try different packs to find what feels best.

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