The Nike Pro Vent Dri-FIT Loose Long Sleeve Top has a body made from Dri-FIT 230 g. 82% polyester/18% spandex jersey material. The Pro Vent is a Dri-FIT stretch long sleeve loose fitting top with mesh upper back die cut insets, a Nike Swoosh design trademark heat transfer at the left chest, and a Dri-FIT trademark heat transfer at the right hem.