QUICK DRYING BREATHABILITY: Our outdoor thermal sets are made from ultra breathable, moisture wicking fabric which keeps sweat away and also dries faster to ensure all unpleasant odours are repelled HEAT RETENTION: This mens baselayer set helps you stay warmer for longer when youre out in the cold wind and snow; both layers reflect your body heat and breathe so you dont get too hot and sweaty STRETCHABLE & DURABLE MATERIAL: The mens thermal under layer set is made with 88% polyester and 12% elastane, allowing you to move around freely without having to compromise your comfort OUTDOOR SPORTS READY: This mens thermal set is great for your outdoor or indoor adventures including skiing, mountaineering, paragliding, hiking, working out, running, fishing, snowboarding or hunting WHATS INCLUDED: Our adults thermal compression set includes a quick-dry crewneck long sleeve top and bottoms that fit like a second skin under clothing to better regulate your body temperature