GREGORY ARRIO 18 TRAIL CLIMBING HIKING BACKPACK Volume: 18 liters Color: Flame Black Item model number: 136968-7409 Take on a quick trail rendezvous or all-day adventure with this Gregory pack. A ventilated suspension and breathable shoulder straps keep you cool. Gear is at the ready with streamlined organization. Features FreeSpan suspended open-air mesh back panel keeps you cool and comfortable on the trail Top loading access with secure drawstring closure Perforated, breathable shoulder harness with built-in hydration routing and sternum strap with integrated safety whistle Internal hydration sleeve with SpeedClip hydration hanger is compatible with a Gregory QuickDry 3D Hydro Reservoir (reservoir not included) Front bungee system with reflective webbing loops Top zippered quick-access pocket Swing-around, side zippered stash pocket for quick storage and key clip attachment Side stretch-mesh pocket Custom ComfortGrip molded zipper pulls Alloy perimeter frame and open-mesh polyester suspension with durable water repellent (C0 DWR): designed without PFAS Lining 40% postconsumer recycled 135-denier polyester Technical Specs Best Use: Hiking, Bag Style: Backpack, Frame Type: Internal Frame Weight: 1 lb. 6.2 oz., Adjustable Torso Length: Yes, Fits Torso Length (in.): 16-21 inches Material(s) External: 100% nylon Frame Material: Alloy steel Dimensions: 20.5 x 10.6 x 6.7 inches, Gender: Unisex, Sustainability: Contains recycled material NO RETURNS