Features and Benefits Upgraded DuPont™ KEVLAR® brand fibers for a thinner, lighter and softer sock Revolutionary 37.5® Technology maximizes evaporation of moisture Updated with finer yarns for dramatically improved comfort Sanitized® odor resistant treatment 360° extended protection zone from knee, down calf and leg, around Achilles heel, through top of foot Knit in arch support and strategic ventilation zones for added comfort Unique Y-seam construction at toe area to improve fit and eliminate bunching inside the toe box