87% Polyester, 13% Elastane Elastic closure QUALITY MATERIAL: Stretchy upgraded fabric (Shell:90% Nylon 10% elastane; Liner:87% polyester 13% elastane), offer a lightweight, breathable and soft touch which more comfortable and move-freely. FUNCTION POCKETS: Phone pocket design to prevent phone out slipping, keep free movement. back zipper pocket securely stash valuable items like a key and credit card, keep your hands free during activities. CHAFE FREE PROTECTION: 2 in 1 designed with quick…