Classic Foundation Backpackadidas Classic Foundation Backpack Beige Move through life your way with this adidas backpack. Its sleek design pairs well with all your looks. The large main compartment has the space to fit all your gear, and a front zip pocket keeps smaller items separate. Whether you're exploring the city or moving through your day, adjustable shoulder straps make sure you're comfortable along the way. Made with a series of recycled materials, and at least 40%