Never used Osprey Black Backpack. See photos for specs. Smoke/pet free home. FEATURES: Constructed from high-quality recycled fabrics, GRS-certified recycled nylon and a PFC-free durable water repellent (DWR) coating AirScape™ mesh-covered die-cut ridged foam provides comfort and ventilation Spacermesh-covered EVA foam padded harness with integrated grab handle Adjustable sternum strap with whistle Removable webbing hipbelt Large panel-loading main compartment Attaches to a variety of compatible Osprey packs; harness grab handle doubles as a luggage pass-through Multifunctional interior sleeve can hold a hydration reservoir (not included), 13 in. laptop or tablet Dual side compression straps Dual water bottle side mesh pockets Front pocket with organization and key clip