Breathable and durable, the Force High-Vis shirt is made of 4.25-ounce bird's eye knit polyester that helps keep you cool. FastDry technology wicks away sweat so you can stay focused on your day. Tagless neck label that doesn't scratch and the side-seam construction minimizes twisting and maximizes comfort. Features Breathable, lightweight knitFastDry Technology wicks away sweatStain Breaker allows strains to wash out easilySide seamed construction