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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
breathable full grain leathers and state-of-the-art thermoplastic urethanes
Lightweight
100% recycled polyester strobel board
To earn the Seal
OS1st TA4 Thin Air in Purple, White & Black Fall 2025 breathable full grain leathers andOS1st 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 positioned lift bars, maximizes air flow achieving a cooling sensation to your feet. Targeted
US$ 495.50
US$ 312.50
US$ 312.50