Anti-Blister Top Cover - Keeps feet cooler, drier, and less prone to blisters.

Better Fit - "Tapered-Toe" design provides better fit in all athletic footwear.

Extra Deep Heel Cup - Helps support & cushion the foot naturally, utilizing the cushioning tissues in the heel.

Air Flow Channels - Channels molded into the shape of the arch help move warm air out and draw cooler air into footwear.