Under Armour Men's Base Scent Control Extreme Long Sleeve 100% Polyester Imported Our warmest UA Base keeps you comfortable in even the extreme chill of a cold treestand Exclusive UA Scent Control technology lasts longer & works better, keeping you undetected Soft, brushed negative grid interior traps hot air, providing superior warmth Strategically placed 4-way stretch panels add stretch & dump excess heat Material wicks sweat & dries really fast