Stay cool and focused on your goals as you train hard by pulling on for each training session the adidas techfit powerweb climachill compression ss t shirt in blackthis mens short sleeve base layer t shirt from adidas has a techfit ultra tight compression fit which is designed to help boost your performance by speeding up muscle recovery and improving blood flow techfit powerweb bands placed strategically around the legs provide support and posture for muscles and boosts power output as well