Imprint Method: Unimprinted - 600D Polyester with water resistant coating Reinforced stitching, oversized gusset, rubberized bottom, and heavy coiled zippers. Featuring Integrating PALS (pouch attachment ladder system) for MOLLE pouches (modular lightweight load-carrying equipment) Padded back panel, top handle, adjustable unisex sternum strap, ergonomic shoulder straps with 2-way adjustments. Two internal mesh pockets, second compartment has three slash pockets, front pocket organizer, internal carabineer. D-ring attachment 12 channel PALS webbing system Bottom straps and 4 compression straps. Hidden zippered back compartment. Note: this pack is H2O hydration compatible.