Built to perform, sweat after sweat. The Metal Vent Tech collection, powered by seamless construction, is the ultimate gear for running and training. Designed for Running and Training Skip-the-Chafe, Seamless Construction Minimal seams to reduce chafe Added elastane improves stretch and shape retention Slim Fit waist Designed to skim the body from chest to More wearing, less washing. Silverescent™ technology, powered by X-STATIC® , inhibits the growth of odour-causing bacteria on the fabric Size XS Men or Women’s Small/medium