Ergodyne - EGO22637 Made from ANSI-complaint, breathable, bird's eye fabric (4.1 oz), this 8281BK Hi-Vis Performance Long Sleeve T-Shirt protects workers in low-light conditions. Its 2" 3M Scotchlite Comfort Trim adds an extra layer of protection by reflecting light in poor visibility. Black panels on front, collar and sleeves hide dirt, creating a clean, professional look. Store small items for quick, convenient access in the outside chest pocket. Stay cool and dry with moisture-wicking treatment that absorbs sweat for all-day comfort. Underarm vents create airflow for a more breathable fit. Avoid harmful UV rays and sun damage with the 30 plus UPF protection element. T-shirt is Type R, Class 2-approved for high visibility. Arms stay fully covered and protected in long-sleeve style.