●1.To feel the excellent flexiblility,coolness as coolfunction by ultralihgt superfine fibres span fabric and comfortable wearing sensation during outdoor activities by silicon band of thight part ●2.leg sleeve is cool in summer ,Warmer in fall and winter Sleeves protect UV great breathable fast dry sweat relief heat release ●3.High performance fabric, fast sweat kick-away and fast dry Easy to put on and put off , use for all four seasons Border smooth silicon belt, increased the leg sleeve and leg stick together ●4.3D No sewing Technology,smoother feel with more durability when compared to cheaper sleeves made from inexpensive polyester material ●5.Material :polyester 85%,Spandex 15%, size:free size,use:mens womens