Nike Race Day Waistbag black N1000512013OS The Nike Waistbag will work during running. Construction of flexible fibers Zipper with laminated insert. Adjustable, elastic strap finished with detachable buckle. Reflective logo. Technical data:· dimensions: 33 cm × 10.5 cm· pocket dimensions: 19x10 cm· main material: 84% polyester, 16% TPP· lining: 100% polyester