The North Face Rolling Thunder Duffel Pack Claimed Weight: [medium] 10 lb 9 oz, [large] 11 lb 10 oz Volume: [medium] 4455 cu in, [large] 7325 cu in Dimensions: [medium] 27 x 16 x 11 in, [large] 31.5 x 16 x 14 in Pockets: 1 card window, 1 internal mesh Wheels: yes