adidas Response Running Tight CLIMACOOL - Provides heat and moisture management through ventilation keeping you cool. FORMOTION - Engineered to follows the natural movement of sport for a better fit and greater comfort in motion Back Zip Pocket - Ideal for small valuables such as keys or money CLIMALITE fabric - Helps wicks sweat away from your skin and keeping you drier and comfier. Mesh Ventilation Inserts - For keeping you cool and help wicks sweat away during training.