The Nike Dri-FITŪ Knit Half-Zip Running Top is an ultra-light top designed for the highest performance and style. Seamless construction, elastic taping on the back of the neck, and raglan sleeves enhance comfort during high activity. Dri-FITŪ fabric pulls moisture away from your body to keep you cool and dry, and numerous reflective elements enhance visibility for night runs. 56% polyester/44% nylon. Imported.