Timbuk2 Especial Messenger - L 500D Ripstop Cordura Nylon Bullet-proof design with seam-taped waterproof liner and integrated reflective panels Coated rear zipper for quick access to the main compartment Durable Cordura nylon fabric Napoleon side-entry pocket for access without undoing the flap Magnetic buckles on the flap for secure one-handed accessibility Our best padding for long term comfort Removable crossbody strap for cross-body stabilization