Cap by Herschel Supply Co, For head-to-toe looks, Panelled crown, Eyelet vents, Flat peak, Checkboard pattern, Embroidered logo, Adjustable strap. 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.