adidas Techfit Powerweb Sleeveless T-Shirt - Men's The adidas TECHFIT PowerWEB T-Shirt is made with a ventilated ClimaCool® fabric that helps keep you dry and comfortable. ForMotion® technology follows the natural movement of sport for a better fit and greater comfort in motion. TECHFIT focuses your muscles' energy to generate maximum explosive power, acceleration and long-term endurance. PowerWEB actively supports muscles, boosting power output and energy efficiency. Flat lock seams help reduce chafing and skin irritation. NCAA/NFHS compliant. ClimaCool® 75% nylon/25% spandex. Imported.