600D 50% recycled polyester with non-PFC durable water-repellent (non-PFC DWR) finish (Solids) 300D heathered polyester with non-PFC durable water-repellent (non-PFC DWR) finish (Heathers) ENDORSED BY THE AMERICAN CHIROPRACTIC ASSOCIATION (ACA) 100% recycled trim The FlexVent suspension system with a flexible yoke built from custom injection-molded shoulder straps, an unbelievably comfortable, padded back panel; and a highly breathable lumbar panel Two webbing top handles for convenient opening and perfectly balanced carrying when the pack is by your side Pack stands on its own for easy loading and unloading Padded and protective 15" laptop sleeve in main compartment Huge main compartment holds all the must-haves for a day in the office or on campus Updated front compartment offers simplified organization and maintains essential features for storage such as secure-zip pockets, tablet sleeve and key fob 360-degree reflectivity enhances visibility while commuting Two exterior water bottle pockets Exterior stash pocket to accommodate quick-access items like a jacket Sternum strap with whistle buckle Contrast embroidered The North Face logo on front Average weight: 1 lb. 12 oz. (795 g) Volume: 1660 in³ (27.2 liters) Laptop sleeve: 11.5"h x 11"d Dimensions: 18"h x 11"w x 8.5"d Media Compatible Dedicated, highly protective laptop compartment FLEXVENT Back Panel Airflow channels with breathable mesh and custom-injected shoulder straps Built to reduce pressure on the shoulders and b