MINIMALIST TECHNICAL DAYPACK: Designed for day hikes and excursions, this lightweight daypack features a streamlined yet capable design and durable ripstop main body fabric made from 100% recycled, ocean-sourced nylon INCLUDED RESERVOIR: Sip on the go with an included Hydraulicsâ„ LS 2.5 L Reservoir FOCUSED FEATURES: Sternum strap featuring a safety whistle, a webbing hipbelt with padded hipwings, stretch side pockets, a front shove-it pocket, a zippered front pocket with key clip and an internal hydration sleeve. (Reservoir sold separately.) AIRSCAPE BACKPANEL: Move comfortably with a cushioned, stable, close-to-body carry featuring mesh-covered foam and airflow channels for ventilation TREKKING POLE CARRY: Upper side compression straps stabilize load and secure trekking pole handles, while front loops capture trekking pole tips ONE SIZE, UNISEX FIT: Designed to fit a broad range of body shapes and sizes ITEM DIMENSIONS: 19.7 x 11 x 8.7 in / 50 x 28 x 22 cm PACK WEIGHT (NO RESERVOIR): 1.31 lb / 595 g RESERVOIR WEIGHT: 0.29 lb / 132 g UPC 810165748200 ASIN B0G6GK1J9T Color Raven Black Capacity 20 Liters Brand Name Osprey Strap Type Adjustable Tank Volume 2.5 Liters Manufacturer Osprey Model Number 10007604 Material Type Nylon Item Type Name Lightweight Hiking Backpack Manufacturer Part Number 10007604