Tri-Mountain Safety Moisture Wicking K222G Boundary Polo Shirt w/Reflective Tape 100% Polyester 5.2 Oz. Polyester mesh polo UltraCool moisture wicking technology 2 reflective tape. Left chest pocket and open cuffs Three-button placket. Square bottom with side vents Meets ANSI/ISEA 107-2010 Standards, Class 2/Level 2