Men's Heatwave Reversible Fl Bottom - Coyote - XL

A thin base layer with ultimate warmth - the Heatwave reversible bottom harnesses the amazing warming power of Seirus exclusive Heatwave technology. The heat-reflective material amplifies 4-5 degrees while also reflecting 20% of your escaping body heat back to you. With brushed Max Wick next to skin for optimal wicking and ventilation throughout. By keeping your legs warm you increase blood flow, which also helps keep your feet warm and avoid chilly toes.