Grid Lock Backpack Classic fit 100% Polyester 6 P410LS BLACK Classic fit 100% Polyester Oxford 300D with PU coating Water proof rating 20 On top of providing lightweight warmth and weather protection 600D polyester with PU backing and 420D diamond weave honeycomb ripstop polyester with PVC backing Three main zippered universal storage compartments Zippered shoe compartment pocket at base with metal ventilation eyelets Fully cell foam padded lay flat 15 6” laptop compartment with Velcro closure Fully cell foam padded iPad tablet pocket Front zippered compartment with multiple pocket organizer Foam padded top quick grab handle Two zippered side accessory pockets Dual drink bottle pockets Back webbing panel can slip over wheeled bag handle Yoke padded shoulder straps with adjustable sternum strap with quick release buckle and padded mesh back panels Accessory carbineer clip Rubber feet for added protection