Breathable TEK woven fabrication, built-in sun protection and moisture wicking technology makes this Ariat Men's VentTEK Classic Fit Shirt a hot-weather winner. It also features an underarm gusset for ease of movement, handy zippered chest pockets and a hidden sunglasses cloth. Ariat Men's VentTEK Classic Fit Shirt Black, Medium - Men's Longsleeve Work Shirts at Academy Sports