Ergodyne GloWear 8291BK ANSI Black Bottom High Visibility Lime Long Sleeve Reflective Safety Shirt, 4XL ANSI-compliant polyester breathable knit (4.1 oz.) Moisture wicking treatment 50+ UPF for protection against harmful UV 2" ANSI-compliant reflective material with heat transfer reflective for flexible comfort Pockets: One outside chest