Herschel Supply Co. Heritage in Navy. Herschel Supply Co. Heritage in Navy. Canvas exterior with printed nylon lining. Adjustable shoulder straps. Zip around closure. Leather trims. Exterior zipper pocket. Interior slit pocket. Measures approx 14 W x 18 H x 6 D. HERS-UA107. 10007 00007. 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.