Compressive arch insert reduces foot fatigue. Added cushioning channels in footbed protect high-impact areas of the feet. Mesh ventilation across top of foot for ultimate breathability. Under Armour brand mission is to make all athletes better through passion, science and the relentless pursuit of innovation. Today's athlete demands a sock that not only represents the look and feel of the brand, but that simultaneously provides useful, technical attributes bridging the gap between style and functionality.