REI Co-op
REI Co-op Trail 40 Pack
Best internal frame pack for multi-day treks and extended day hikes.
Embark on your next adventure with this men's internal frame hiking backpack. Designed for comfort and durability, it offers ample space for your gear, making it an ideal companion for multi-day treks or extended day hikes. Its thoughtful design ensures efficient packing and easy access to your essentials, allowing you to focus on the journey ahead. Experience reliable quality with this versatile hiking backpack, built to support your outdoor pursuits and keep you prepared for the trail.
$159.00
Owner Satisfaction
4.5
/ 5
Category Rank
5008
/ 15403
#5008 in Backpacks
Price vs Category Average
+46%
Above average
Material
Nylon
/ Nylon
Who it's for
- Hikers needing one pack for day trips and overnights
- Organized travelers who value quick access to their gear
- Backpackers prioritizing comfort during long days on the trail
Who should skip it
- Ultralight hikers looking to minimize every ounce of weight
- Warm-natured hikers prone to overheating on strenuous climbs
- Technical mountaineers requiring specialized features for complex expeditions
Performance breakdown
Suspension comfort
Internal frame design effectively distributes weight across the hips and shoulders.
Organization efficiency
Thoughtful pocket placement makes accessing trail essentials quick and intuitive.
Material durability
Rugged fabrics withstand abrasive rock and dense brush with ease.
Ventilation performance
Back panel promotes airflow but can still trap heat during exertion.
Load stability
Compression straps keep gear secure and balanced on technical terrain.
Adjustability range
Versatile fit options accommodate a wide variety of torso lengths.
Key Specs
Material
Nylon
Closure Type
Zipper
Frame Type
Internal Frame
Access Type
Top Load
Intended Use
Hiking
Target Gender
Male
Know before you buy
Yes, the 40-liter capacity is well-suited for minimalist overnight backpacking trips or long, gear-intensive day hikes. It provides enough room for a compact sleep system and extra layers, provided you pack efficiently.
Yes, the Trail 40 comes with a dedicated rain cover stored in its own pocket. It is a convenient feature for protecting your gear during unexpected weather changes on the trail.
The internal frame provides essential structure, which helps transfer the weight of your load from your shoulders to your hips. This design is crucial for maintaining balance and comfort when carrying heavier gear over uneven terrain.
Yes, the pack features an internal hydration sleeve and a port for routing your drinking tube. This allows for easy, hands-free hydration while you are on the move.
Yes, it includes external lash points and tool loops specifically designed to secure trekking poles or an ice axe when they are not in use.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$159