From Thule, the Stir 25L Men's Hiking Logo Backpack features: Designed to support any adventure with a high weather and abrasion-resistant coated nylon fabric  Quickly stow and access extra layers in the front shove-it pocket  Streamline your carry around town by completely removing sternum strap and hipbelt  Quickly access keys or a snack in the shoulder strap stretch pocket  Stay cool with a breathable back panel and shoulder straps  Easily find keys, a phone, or a wallet in the top zippered mesh pocket  Stash water bottles or other essentials in the expandable side pockets  Stay visible in low light conditions with a reflective logo  Attach an ice axe or trekking poles in dedicated loop attachments  Hydration compatible design features reservoir sleeve with drink tube exit port (reservoir sold separately) Coated 210D robic, 70D nylon Approx. 8.3" x 10.6" x  19.7"  Approx. weight 1.48 lbs. Imported.