Developed from the official batting practice cap of Major League Baseball, New Era Cap Company is proud to introduce the 39THIRTY high crown stretch fit cap. Reflecting the sae heritage, authenticity, craftmanship & attention to detail as the orginal fitted 59FIFTY, the 39THIRTY separates iteslf from all others. The Hurley men's One & Only Trucker New Era cap is a 'one size fits all' flexcap, made from Nike dri-fit fabric which wicks sweat away to help keep you dry & comfortable. The Hc 393 mesh trucker features raised Hurley branded applique with satin edge stitching, to the front, rear & left side.