Under Armour's men's long-sleeved Mk1 top is the perfect running companion – your go-to layer for training during transitional weather. Crafted from moisture wicking ventilating fabric designed to maintain your optimum body temperature during every workout. Complete with odor control technology and 4-way stretch construction for ultimate comfort whilst hitting the treadmill., HeatGear fabric is ultra-soft & smooth for extreme comfort with very little weight., Mesh back & underarm panels deliver strategic ventilation., 4-way stretch construction moves better in every direction., Material wicks sweat & dries really fast., Anti-odor technology prevents the growth of odor-causing microbes.
