UA BREATHE LITE ULTRA LOW 3PSoft, ultra thin socks with fewer seams for a lightweight, barely there feel Our lowest silhouettewon't show even in the lowest of shoes Interior no slip silicone grips on back of heel help keep your socks from sliding down Fitted heel contours around the foot for a better fit Seamless Toe delivers superior comfort & reduced irritation Breathable mesh on top of foot Material wicks sweat & dries really fast.