JanSport Mens Outdoor Mainstream Klamath 55 Backpack - Forge Grey/Moroccan Deep / 29"H X 14"W X 10.5"D Made from 300 Denier Poly Baby Ripstop 330 Denier Mini Ripstop Fully Padded Back-panel and Shoulder Straps. Unique GridFit Torso Adjustment System. Hydration sleeve with clip and port. Drawstring Closure on Large Main Compartment.