Stay dry refreshed and focused on your goals as you train hard by pulling on for each training session the adidas techfit base climalite ss t shirt in black print and vapor bluethis 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 ultra soft seams and flatlock seams reduce chafing and provide flexibility and comfort whilst upf 50 uv protection