adidas Climacool Performance Running S/L T-Shirt - Men's The adidas ClimaCoolŽ Performance Running Sleeveless T-Shirt features ClimaCool technology that provides heat-and moisture-management through ventilation and targets specific sweat zones, providing cool, dry skin. FORMOTIONŽ is engineered to follow the body's natural movement for a better fit and great comfort. The reflective details provide added visibility. MiCoach compatible. 100% polyester. Imported.