The HYPE. Unisex Black Red Marble Wave Crest Backpack is designed in our standard backpack shape in an all-over black and red marble wave print. Made from 100% polyester and finished with embroidered HYPE. crest branding in black, a front pocket, and metal zip. Boasting a black grab handle and straps that offer supreme comfort with just the right amount of padding. Wipe clean only.