Beanie by Herschel Supply Co, So good, you won't want to take it off, Plain design, Understated cool, Turn-up brim, Herschel Supply Co label. Herschel Supply Co produces quality built backpacks inspired by vintage mountaineering equipment, American heritage and world travel. With a passion for individuality and personal style, Herschel Supply Co adapts to a new generation updating their bags with a modern fit, shape and feel.