Recycled Fabric: REPREVE traceable, recycled polyester made from plastic bottles Product appearance may differ slightly depending on print placement Polyester Compartments: Front pockets and side mesh pocket for bottle Straps: Breathable and comfortable air mesh panels on shoulder straps Ergonomic Details: Removable, supportive and comfortable padded waist belt with breathable air mesh panels Roxy TRY IT FOR SURE - BACKPACK BLUE