Under Armour Women Printed UA Fly-By Turtleneck Shirt Slick, super-soft fabric delivers a fast feel and incredible next-to-skin comfort. Brushed interior circulates heat for optimal temperature regulation. Generous neck design can be pulled up for extra coverage from the cold. Lightweight stretch mesh front panel allows enhanced breathability when worn over face. Foldout mittens with thumbholes keep sleeves secure and help seal in your body heat.