10071485 Ariat Women's Rebar Evolve Half Zip - Purple Ash Featuring a built-in intelligent cooling system that works with your body temperature, this premium lightweight baselayer is ideal for outdoor work like construction, gardening and farming. It's also a smart choice for hiking or camping. Greater Arm Mobility for freedom of movement Moisture Movement Technology wicks away moisture from skin ClimateTEK for dynamic and temperature regulated cooling FreshTEK sustainable odor-resistance 1/2 zip placket Additional pocket with hidden pen slot Fabric 5 oz. | Mesh Jacquard 100% Polyester