This super-versatile piece is a Nike bestseller. With a back mesh panel for enhanced breathability, this moisture-wicking cover-up sets you up for the long haul with ergonomic thumbholes and a structured collar that stays in place and helps lock in warmth. The 1/2-zip design lets you control the ventilation. A contrast heat transfer Swoosh design trademark is on the right chest. Solids made of 5.5-ounce, 88/12 polyester/spandex jersey Dri-FIT fabric (front) and 5.3-ounce, 89/11 polyester/spandex Dri-FIT fabric (back). Heathers made of 5.75-ounce, 88/12 polyester/spandex jersey Dri-FIT fabric (front) and 5.3-ounce, 89/11 polyester/spandex Dri-FIT fabric (back).