Nike Running Slim Waist Pack

> ADJUSTABLE stretchy belt fits securely and comfortably as you run > EXPANDABLE pocket holds your small essentials > CONTOURED, lightweight design for comfort and less bouncing > EASY single-button closure on belt > CONTENTS: 38% NEOPRENE, 25% POLYESTER, 13% NYLON, 13% ALUMINUM ALLOY, 11% THERMOPLASTIC POLYURETHANE