Ariat Men's VentTEK Classic Fit Short-Sleeve Work Shirt - Breathable TEK woven fabrication, built-in sun protection, and moisture-wicking makes this stylish button-front shirt a hot-weather winner. AriatTEK Heat Series technology keeps you cool and VentTEK uses body mapping to enable air flow and regulate body temperature Moisture-wicking Underarm gusset for mobility Hidden microfiber lens cloth on shirt tail Extended breathable mesh yoke Hidden collar buttons Zippered front chest pockets 100% polyester ripstop Style: 10034961