Description PRODUCT DETAILS UNDER ARMOUR MK-1 SHORT SLEEVE SHIRT The UA MK-1, short for Mode Kit 1, is an entire system of light, sleek, breathable warm-ups and core training gear that layers together to give you every advantage for any workout. Speed, agility, strength, cardio, in the gym, on the turf…whatever you’re doing, just build your kit and get to work. PRODUCT SPECS 90% polyester/10% elastane construction HeatGear® fabric is ultra-soft & smooth for extreme comfort with very little weight Mesh back and underarm panels deliver strategic ventilation 4-way stretch construction moves better in every direction Material wicks sweat and dries fast Anti-odor technology prevents the growth of odor-causing microbes Fitted, next-to-skin without the squeeze
