adidas Climacool Supernova Long-Sleeve T-Shirt - Men's Chase a new personal best with cool comfort. Featuring ClimaCoolŽ technology, the adidas ClimaCool Supernova Long-Sleeve Running T-Shirt blocks heat and pulls sweat from your skin so you can run cool, dry, and fast. Scientifically designed ForMotionŽ fabric controls and enhances muscle activity while encouraging proper running form, creating a more natural fit and comfortable running performance. Reflective details increase low-light visibility. This running t-shirt is miCoach compatible. 95% polyester/5% spandex. Imported.