Nike element sphere half zip topthe nike element sphere half zip running top delivers warmth and comfort from the sweat wicking fabric down to the thumbholes with fold over mittens the reflective details remain visible in low light keeping you on a route without limits featuresmaterial 93 polyester 7 spandexnike sphere fabric helps keep you warm12 zip design for temperature controlthumbholes with mittens provide warmthstand up collar provides warmth and coveragereflective elements enhanc