The West Wolf Backpacks for Hiking Camping 50l nylon Backpack Material:Anti-Tear Fabrics, Self-repair Zippers, better ventilation not easy to deformation, Super versatile and multi-functional pack.Large bearing capacity: 50L. Size:26"x5.9"x13.6"(LengthxHeightxWidth) Large Front Stretch Stuff-it Pocket, one front pocket for quick access, one large deep main pocket, one special zipper pocket for shoes or dirty clothes, 2 Hipbelt Pockets accommodate cell phone/MP5 player, two side pockets for bottles or umbrella. Comfortable strap design, Multi-position adjustable torso fits wide range of body sizes, Breathable mesh back panel make the heat quickly spread out, Breathable perspiration, have never cover the sweat when you carry it a long time, make your back feel more comfortable. Thick Shoulder Straps relieve burdened on the shoulder. Anti-Tear Fabrics, Never Worry about Pierced or Laceration in the Wilds, Make the Backpack More Durable. Multipurpose: Cycling,Outdoor Travel,Hiking,Trekking,Camping,Mountain Climbing