Size: S, Size: M, Size: L, Size: XL - Boundary Class 2 safety tee. Stay visible and stay safe in our 5.2 oz 100% polyester mesh crewneck short sleeve shirt featuring Ultra CoolÂ™ moisture wicking technology. Wicks away perspiration to increase your comfort under warmer conditions. Features 2" reflective tape, left chest pocket and open cuffs. Rib-knit crewneck collar and square bottom with side vents. Meet's ANSI/ISEA 107-2015 Standards, Class 2, Type R, Not FR Standards.