The Nike Element Half-Zip is a lightweight, base layer top with soft-hand brushed Dri-FIT® fabric. Dri-FIT® mesh gusset at the under arms provides venting which allows for optimal thermal regulation. Reflectivity at the center front zipper, lower sleeve cuffs and music solution at the center back neck. Swoosh design trademark in reflective heat transfer material at the left chest. Dri-FIT® 88% polyester/12% spandex with Dri-FIT®. 80% polyester/20% spandex mesh. Imported.