Thin Air Performance Socks (TA4) - Black 344YUKI Our silicone oval that comfortably

Our silicone oval that comfortably prevents slipping

Lightweight & Flexible: Designed for easy movement

Man-made outsole

fixed footbed

bringing innovation and style into one transformative solution

Thin Air Performance Socks (TA4) - Black 344YUKI Our silicone oval that comfortablyBreakthrough product specifically designed for comfort, fit, protection and breathability. OS1st TA4 Thin AirTM Performance Socks feature never before applied technology to keep your feet cool and protected during any activity. Created using 200n medical grade machinery and materials we are able to build in comfort, durability and blister protection, yet with the thinnest upper foot profile ever made. The "Thin SkinTM" construction with uniquely