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Item is returnable, but does not qualify for free returns.
OS1st Thin Air Performance No Show Socks
Run with a purpose in the OS1st Thin Air Performance No Show Socks. Made with a "Thin Skin™" construction, these socks improve airflow to keep your feet cool and protected during any activity. The high performance cushioned sole combines with the air movement system to create a blister-free experience. Four compression zones provide the perfect fit while improving breathability to keep your feet healthy and fresh during exercise. If you're battling blisters, sore and achy feet, or overheating, find the protection and relief you need with the OS1st Thin Air Performance No Show Socks.
- Created using 200n medical grade machinery and materials for comfort, durability, and blister protection with the thinnest upper foot profile ever made.
- High heel tab and extra deep heel pocket prevent the sock from slipping down inside the shoe.
- "Thin Skin™" construction with uniquely positioned lift-bars, increases air flow to achieve a cooling sensation.