OS1st TA4 Thin Air Performance Socks bis-hidden a memory foam-like material that

a memory foam-like material that conforms to the shape of your foot

Item #: SF-72000

check out the Superfeet Blue Insole

Achilles tendon

Thickness at heel: 9

OS1st TA4 Thin Air Performance Socks bis-hidden a memory foam-like material thatProduct Details Overview: The OS1st TA4 Thin Air Performance Socksfeature the thinnest upper foot profile ever made! With built in comfort, durability, and blister protection, the Thin Skin construction helps to maximize airflow while providing padding and lift for your arch helping to keep your feet cool. With 4 Zones of Compression Technology, the Thin Air Performance Socks provide light to moderate graduated compression for non binding comfort and