Sugoi Women's MidZero Zip Shirt 88% Polyester, 12% Spandex / POCKET BAG : 100% Polyester Imported One zip back pocket, with media cord access, for storing run essentials MidZero fabric is a perfect mid-weight thermal layer for superior moisture management and full-stretch mobility Mock neck to help keep out the cold with 9 inch front zip for customized ventilation Clean finished thumbholes at the cuffs add coverage and help keep hands warm One zip back pocket, with media cord access, for storing run essentials