ESSENTIALS 3-STRIPES BACKPACK MATCH YOUR BAG TO YOUR STYLE WITH THIS ADIDAS BACKPACK. Street style never looked or felt this good. The bold 3-Stripes on this adidas backpack blend right into your look. Padded adjustable shoulder straps give you the perfect fit every time you hit the pavement. This product is made with Primegreen, a series of high-performance recycled materials.