5.11's Popular Rapid Half Zip makes its women's debut with tonal contrast fabric on the arms, collar and yoke for distinctive styling. On duty or on an adventure, the Rapid Half Zip's 4-way stretch polyester/spandex fabric provides a snug and secure fit without bunching or rolling. Wicking fabric with odor control properties make the Rapid an ideal base or mid-layer that keeps you warm and dry. The collar is lined with soft, knit body fabric to keep you comfortable, and a zip patch pocket on the left sleeve makes it easy to store and access smaller items. Material: Polyester, Spandex.