Herschel Supply Co. Little America Backpack in Black. Herschel Supply Co. Little America Backpack in Black. Canvas exterior with printed poly lining. Measures approx 11 W x 20 H x 6.5 D. Adjustable shoulder straps. Top flap snap button and cinch closure. Exterior flap pocket with snap button and zip closure. Interior soft poly lined laptop slot. HERS-UY132. 10014-00535-OS. Herschel supplies backpacks and bags that are modern in shape with loads of crafted detail. Inspired by the old-school American mountaineering heritage and world travel, their collection is a new twist on all your vintage favorites.