The Nike Pro Combat Hyperwarm Dri-FITŪ Compression Mock 2.0 is designed to give you maximum warmth in the coldest conditions. Brushed polyester Dri-FIT technical fabric provides maximum warmth and moisture transport to keep you dry. Compression fit adds support and helps keep you warm. Mock neck construction and sleeve cuffs retain heat. Flat-seam construction reduces chafing. Embroidered Swoosh design trademark on the left neck. 88% polyester 12% spandex. Imported.