Outer material: PolyesterLining: PolyesterDetails

From workouts to getting to work, the Nike Elemental Backpack has you covered. A large zippered compartment offers room for shoes or an extra set of clothes for the gym and your books and laptop for school. 2 exterior pockets help keep electronics and small essentials organized and stored securely. This product is made with at least 65% recycled polyester fibers.Straps: Padded shoulder strapsCompartments: Front pocket, side pockets, 2 compartmentsFastening: ZipOpening system: ToploaderPattern: PrintDetails: Two-way zipper, padded back, buckleVolume: 21 l (Size One Size)Weight: 350 gCarrying options: Adjustable shoulder straps