Optimum Cotton Hi-Vis T-Shirt – S05990 Stay safe and comfortable with the Optimum Cotton Hi-Vis T-Shirt, designed for high visibility and durability on the job. Made from 100% cotton jersey with a 180 GSM (5.3 oz./yd²) weight, this shirt offers breathable comfort and long-lasting wear. Features include: Rib-knit neckline with spandex for shape retention Convenient chest pocket for essentials 2″ retroreflective stripes with 4″ fluorescent background on front, back, and sleeves for maximum visibility CSA-compliant for workplace safety standards Side-seamed construction for a better fit Perfect for construction, road work, and any job requiring high-visibility apparel.