NARebar Workman T-Shirt Product Features : 0 : VentTEK™ technology features body mapping to enable air flow and regulate body temperature, 1 : Moisture Movement Technology™ wicks moisture away from the skin, 2 : Greater Arm Mobility underarm gusset for maximum range of motion, 3 : Stain-release, 4 : Heavy duty, reinforced chest pockets, 5 : Drop tail hem Men's Rebar Workman T-Shirt in Black, Size: XS by Ariat