Ideal for your morning outings, this long-sleeved running t-shirt brings comfort on your arms. Its lightness allows you not to be bothered in your movements. It can be worn alone or under a jacket depending on your cold sensitivity. This running jersey is close fitted to the body. These flat seams prevent irritation. With temperatures above 10 ° C, you can wear it alone, for temperatures below 10 ° C, we advise you to wear a jacket over it.