The breathable long-sleeved shirt made of functional material keeps you pleasantly tempered and dry in mild to cold temperatures thanks to the moisture-wicking 2-layer construction Heat zones on the lower back protect you from the cold; thanks to flex zones on the shoulders and elbows, you can move freely without restrictions; the body-hugging fit gives optimal wearing comfort For tennis, running or hiking - the functional underwear is the first layer of your outfit, accompanies you during outdoor activities and offers the ideal mix of comfort and performance Special knitting processes ensure the highest level of comfort, unrestricted freedom of movement and reduce unpleasant pressure points, which allows you to achieve the best sporting performance The functional material is durable and resistant to wear and tear