We designed this long sleeves jackets with full zipper for a series of exercises like high-impact activities such as running, interval training, HIIT classes,CrossFit, spin, etc. This fit jacket is in high-stretch Nylon fabric.made of moisture-wicking and sweat-wicking fabric with four-way elasticity, has a mock collar, two insert pockets, long sleeves, zip closure, straight hem, thumbhole for better grip.It provides excellent support and coverage for active.