The Men's In The Zone Baselayer Set. A performance base layer made with super soft seamless fabric for ultimate comfort. Fast drying with anti-odour control to keep you feeling fresh. Featuring breathable ventilation zones. SeamSmart technology offers reduced seams for ultimate comfort, durability, and unrestricted movement to enhance performance. The thermal fabric helps retain warmth in the coldest conditions, while quick-dry fabric keeps you comfortable for longer. Anti-bacterial fabric kills odour-causing bacteria for a fresher feeling. This set is designed for performance, featuring a body map fit with ventilation zones.