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Your Ultimate REI Hiking Bag Guide: Find the Perfect Pack
June 14, 2026 · 10 min read

Your Ultimate REI Hiking Bag Guide: Find the Perfect Pack

Discover the best REI hiking bag for your adventures. Our expert guide covers everything from daypacks to multi-day backpacks and essential features.

June 14, 2026 · 10 min read
HikingBackpacksOutdoor Gear

Choosing the right hiking bag from REI is crucial for comfort, organization, and safety on the trail. Whether you're planning a short day hike, a challenging multi-day backpacking trip, or just need a reliable bag for everyday excursions, REI offers a vast selection of quality packs designed to meet the demands of outdoor enthusiasts. This comprehensive guide will walk you through everything you need to know to select the perfect REI hiking bag, ensuring your gear is secure, accessible, and comfortable.

When you search for an REI hiking bag, you're not just looking for a place to stuff your belongings. You're seeking a companion that can handle varying terrains, weather conditions, and the weight of your essentials. The best REI backpacks distribute weight evenly, offer ample storage, and come with features that make your trek more enjoyable. We'll explore the different types of REI bags available, key features to consider, and how to match a pack to your specific needs and intended use.

Understanding Your Hiking Needs: What Kind of REI Bag Do You Need?

The first step in finding the ideal REI hiking bag is to assess your typical outdoor activities. Are you a casual day hiker who only needs to carry water, snacks, and a light jacket? Or are you a seasoned backpacker embarking on extended trips requiring space for a tent, sleeping bag, cooking gear, and more? Your needs will dictate the size, capacity, and specific features of the REI backpack you should choose.

Day Hiking Backpacks

For shorter excursions, a daypack is your best bet. These typically range from 15 to 35 liters and are designed to carry essentials for a few hours to a full day on the trail. Look for REI hiking bags in this category that offer:

  • Comfortable Straps and Back Panel: Padded shoulder straps and a breathable back panel are essential for comfort, especially on warmer days.
  • Hydration Reservoir Compatibility: Many daypacks have a dedicated sleeve and port for a hydration bladder, making it easy to drink on the go.
  • Organization Pockets: Multiple compartments and pockets help keep your gear organized, with easy access to items like your phone, keys, and snacks.
  • External Attachment Points: Loops and straps can be useful for attaching trekking poles or a sleeping pad.

When browsing REI backpacks for day hikes, consider the REI Co-op Ruckpack series or smaller models from brands like Osprey. Even a compact REI sling bag or shoulder bag can suffice for very short, casual outings.

Overnight and Weekend Backpacks

If you're planning overnight trips or weekend adventures, you'll need a larger pack, typically between 35 and 50 liters. These REI bags offer more space for additional layers, food, and basic camping gear. Key features to look for include:

  • Adjustable Torso Length: A pack that can be adjusted to your torso length ensures proper weight distribution and a comfortable fit.
  • Hip Belt and Sternum Strap: These are crucial for transferring weight from your shoulders to your hips, significantly reducing strain.
  • Larger Main Compartment: Ample space for items like a lightweight tent, a REI sleeping bag, and a sleeping pad.
  • External Pockets and Sleeves: Useful for water bottles, rain gear, and other frequently needed items.

REI carries a variety of 40L backpack options, and REI 40 liter backpacks are often a sweet spot for weekend warriors. The REI Co-op Traverse series is a popular choice in this range.

Multi-Day and Thru-Hiking Backpacks

For extended trips lasting several days or even weeks, you'll need a robust internal frame backpack with a capacity of 50 liters and upwards. These REI hiking bags are built to carry a significant amount of gear comfortably over long distances. Consider:

  • Heavy-Duty Construction: Durable materials and reinforced stitching to withstand the rigors of extended travel.
  • Advanced Suspension Systems: Sophisticated harnesses and hip belts designed for maximum load-carrying comfort and stability.
  • Modular Design: Some larger packs offer features like removable daypacks or adjustable lid compartments for added versatility.
  • Plenty of Storage: Multiple compartments, lid pockets, sleeping bag compartments, and external pockets to accommodate all your REI camping gear.

For serious backpacking, look at larger REI backpacks from brands like Osprey and Gregory, often found in the 60-80 liter range. These are the workhorses for anyone serious about multi-day expeditions. Many backpackers put together a comprehensive REI backpacking list to ensure they don't forget any critical items, and the right pack is central to that list.

Essential Features of a High-Quality REI Hiking Bag

Beyond capacity, several design elements contribute to the overall functionality and comfort of an REI hiking bag. Paying attention to these details can make a significant difference on the trail.

1. Fit and Adjustability

This is arguably the most critical factor. A poorly fitting backpack can lead to discomfort, chafing, and even injury. REI offers a wide range of backpacks with adjustable torso lengths and customizable hip belts. When trying on a pack in-store, ensure it sits snugly against your back, with the hip belt resting comfortably on your iliac crest (the top of your hip bones). The shoulder straps should curve gently over your shoulders without any large gaps.

2. Frame Type

  • Internal Frame: The most common type for modern backpacks, the frame is integrated into the pack's structure, providing support and allowing the pack to contour to your body. This offers excellent stability and is ideal for hiking and backpacking.
  • External Frame: Less common now, these packs have a visible frame on the outside. They are good for carrying very heavy or awkwardly shaped loads but are generally less agile and comfortable for hiking.
  • Frameless: Ultralight options often forgo a frame, relying on the packed gear for structure. Best for experienced ultralight backpackers carrying minimal weight.

Most REI hiking bags you'll encounter will be internal frame packs.

3. Material and Durability

REI is known for stocking durable gear. Look for packs made from ripstop nylon or polyester, materials that are both lightweight and resistant to tears and abrasions. Water-resistant coatings are also a plus, though for serious protection against rain, you'll still want a rain cover or a REI dry bag for critical items.

4. Ventilation

Proper ventilation is key to staying comfortable, especially during strenuous hikes or in warm weather. Many REI backpacks feature suspended mesh back panels or channeled foam to allow air to flow between your back and the pack, reducing sweat buildup.

5. Pockets and Organization

While a large main compartment is essential, the clever placement and design of smaller pockets can greatly enhance usability. Consider:

  • Lid Pocket(s): Ideal for quick-access items like a map, compass, first-aid kit, or snacks.
  • Hip Belt Pockets: Perfect for a phone, lip balm, or energy bars.
  • Side Pockets: Usually designed for water bottles but can also hold tent poles or trekking poles.
  • Front Stretch Pocket: Great for stashing a rain jacket or a damp tarp.
  • Internal Sleeves: For hydration reservoirs or other hydration solutions.

6. Hydration System Compatibility

Most modern hiking packs are designed to accommodate hydration reservoirs. Look for an internal sleeve to hold the bladder and a port or slot for the drinking tube to pass through to the shoulder strap. This makes staying hydrated on the move much easier, eliminating the need to stop and unpack a water bottle.

7. Weight

While durability and features are important, the weight of the pack itself also matters. Ultralight packs are becoming increasingly popular, but they often sacrifice some padding or organizational features. For most hikers, a balance between weight, durability, and comfort is ideal. REI offers a range of options, from traditional packs to lighter-weight alternatives.

Beyond Hiking: Versatile REI Bags for Various Uses

While the primary focus is on REI hiking bags, the quality and design of REI's offerings extend to other types of bags that can be incredibly useful for outdoor enthusiasts and beyond.

REI Dry Bags

Essential for protecting your gear from water, REI dry bags come in various sizes and are perfect for keeping electronics, sleeping bags, or extra clothing dry during wet conditions or when participating in water sports. They are a crucial component of any organized backpack.

REI Sling Bags and Shoulder Bags

For lighter loads or quick errands, an REI sling bag or shoulder bag can be a convenient option. While not typically used for serious hiking, they are great for day trips to the park, carrying essentials around town, or as a secondary bag for specific activities. They offer quick access to contents and a minimalist carrying solution.

REI Gym Bags

Many features found in hiking packs, such as durable materials, organized compartments, and comfortable straps, are also desirable in a gym bag. REI's selection of duffel bags and gym sacks often borrows from their outdoor gear design principles, making them a robust choice for fitness enthusiasts.

REI Diaper Bags

Similarly, parents looking for durable, organized, and comfortable bags for their children's essentials might find REI's offerings suitable. Many of their daypacks or smaller travel bags can be adapted into effective diaper bags, offering ample space and convenient pockets.

Frequently Asked Questions About REI Hiking Bags

**Q: What is the best REI hiking bag for beginners? **A: For beginners, a versatile daypack around 20-30 liters from the REI Co-op Ruckpack or Traverse series is an excellent starting point. Prioritize comfort, adjustable straps, and a good fit.

**Q: How do I choose the right size REI 40L backpack? **A: An REI 40 liter backpack is typically suitable for overnight trips or weekend excursions for one person, or for shorter day trips where you need to carry extra gear. If you plan to camp, ensure it fits your sleeping bag and other essentials.

**Q: Do REI backpacks come with a rain cover? **A: Some REI hiking bags include an integrated rain cover, while others do not. It's important to check the product description or ask an REI associate. Regardless, carrying a separate rain cover or using dry bags is recommended for serious protection.

**Q: Can I use an REI Osprey backpack if I'm not buying it at REI? **A: Yes, Osprey is a popular brand that REI carries, but you can purchase Osprey backpacks from other retailers as well. REI's advantage is their expertise, return policy, and often their in-house Co-op branded options.

**Q: What's the difference between a hiking backpack and a camping backpack? **A: Generally, these terms are used interchangeably. However, 'hiking backpack' often refers to packs used for the activity of hiking itself, while 'camping backpack' might imply a larger capacity for extended stays. REI offers packs suitable for both scenarios.

Conclusion: Your Next Adventure Starts with the Right REI Hiking Bag

Selecting the right REI hiking bag is an investment in your comfort and enjoyment of the outdoors. By considering your specific needs, understanding the essential features, and exploring the diverse range of options available at REI, you can find a pack that will serve you faithfully on countless adventures. Don't underestimate the importance of a proper fit, and take advantage of REI's knowledgeable staff and excellent return policy to ensure you make the best choice. Your perfect REI hiking bag awaits, ready to carry your essentials and accompany you on your next great escape.

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