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. Next-to-skin fit, without the squeeze. HeatGear® fabric is ultra-soft & smooth for extreme comfort with very little weight. Mesh side panel for strategic ventilation. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Encased elastic waistband with internal drawcord. Mesh hand pockets. Inseam: 9". No liner.