On Court : This Nike Pro long-sleeve t-shirt will help you take on the cold during your tennis training sessions! The light and warm polyester fabric is an excellent first layer. The Dri-Fit technology wicks perspiration in order to keep you comfortable. The tightened cut will allow you to move comfortably when you are running. Next, the t-shirt offers a second skin effect in order to enable you to enjoy a wide range of motion. Lastly, the rising collar will keep you nice and warm.This Nike long-sleeve t-shirt is slightly longer in the back to cover you up even more!