With breathable mesh sleeves, the Aptos Vent shirt helps young riders stay cool and comfortable in and out of the show ring. Aptos Vent Show Shirt Product Features : 0 : ClimateTEK™ dynamically responds to your body temperature to keep you cool when things heat upFreshTEK™ sustainable odor-resistanceMoisture Movement Technology™ helps keep you drySun Protection Fabric™ gives you UV coverage, 1 : Vent structure for maximum breathability, 2 : Show collar and placket with snap closureStock tie loop Kid's Aptos Vent Show Shirt in White, Size: XS Regular by Ariat