Under Armour Men’s Knit Track Suit. We took the classic tracksuit and made it better, with super-soft materials that also wick sweat to keep you dry and light. Smooth tricot knit exterior with a soft interior for comfort & warmth. Material wicks sweat & dries really fast. JACKET: Open hand pockets. PANTS: Encased elastic waistband with external drawcord, Mesh hand pockets, Tapered leg fit.