The ICEBREAKER ZONEKNIT 260 LS HALF ZIP Men's Thermal Underwear is a high weight layer that provides good temperature regulation during intense winter efforts. It is made of 100% natural Merino wool that is very soft and comfortable.

The fit is snug and the gussets under the arms allow for great freedom of movement. The raglan sleeves are equipped with grommets to keep them in place during your workout or while skiing or snowshoeing.

Also, you adjust your comfort level, it is equipped with a half-zip associated with a high collar coverage, as well as flat seams that prevent chafing. Finally, the back hem is lower in order to keep a maximum of warmth.