Designed to keep up with the intense pace of Nordic skiing, the women's Poursuite half-zip base layer wicks moisture to keep you dry with every stride or pole push. The micro-perforated panels at the back and under the arms enhance breathability to maximize temperature regulation while retaining warmth. A half-zip closure allows you to adjust ventilation depending on the conditions. Slim fit Features a fitted design that flatters your shape Wicking moisture integrated The 37.5® technology wicks moisture away from the body to let sweat evaporate quickly and regulate temperature Quick-drying fabric The R-Dry fabric keeps you comfortable and dry during moderate activities Ideal warmth Insulated and breathable, the R-Warm fabric keeps you warm Freedom of movement Stretch fabric for unrestricted movement.