Features: Water-repellent and tear-resistant nylon material. Roomy main compartment for your clothes, laptop, books, etc. Plenty of external pockets keep your stuffs handy and organized. Adjustable padded mesh shoulder straps help reduce burden. Mesh back panels for ultimate air flow and heat dissipation. Adjustable waist and chest straps for snug and comfortable fit. Compression straps control backpack volume. Bartack reinforcement for extra strength and durability. Great for hiking, travel, camping, mountaineering, suitable for both men women.