adidas Techfit PowerWeb Short Sleeve Compression Running T-Shirt Ventilated CLIMACOOL - Keeps you dry and comfortable when you are moving fast. TPU Powerbands - For trunk and upper back support in your sports activities and training. 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. Clima365 - This comprised of ClimaLite, ClimaCool, ClimaWarm and ClimaProof which provides optimal solution for improved performance and greater comfort.