Cordura® 500 denier nylon with 210 denier oxford nylon linings, Duratuff™ compound material, nylon coil YKK zippers, extra strength removable nylon straps, woven label badging, extra padded hand handle, tyvek name badges, interchangeable MOLLE strapping system on front and side of bag, quick access phone sleeve on rear panel, adjustable base skateboard strap system, and a front zipper easy-grab security pocket. Large main compartment: 47 x 28 x 28 cm / 23.6 liter capacity.