100% polyester, soft and durable circular knit construction with brushed interior for extra warmth. Signature moisture transport system wicks sweat to keep you dry and light. Reflecitve 1/4 zip for visibility, UA logo on left sleeve. Size equivalent: SM/4-6, MD/8-10, LG/12-14, XL/16, 2X/18. Imprinted with the International logo.