Ariat Shield Performance Cap Team Navy. The Ariat Shield Performance Cap is a must have on sunny days. The Shield Performance Cap is crafted from a performance stretch fabric and features moisture wicking technology which wicks moisture away from your skin keeping you cool and dry, UV protection, a ClimateTEK cooling headband keeping you cool when you need it most and it is finished with Ariat branding. Fabric & Care: 97% Polyester. 3% Elastane.