High-density cushioning provides extra protection in key impact areas. * iWick fibers wick moisture to keep feet cool, dry and odor-free. * SnugFit Technology - Unique Power Bands of Lycra hug your entire foot for maximum support. This snug, supportive fit eliminates movement to prevent blisters. * The PerfectToe (No irritating toe seam.) * Y-heel construction keeps sock from sliding into the shoe.