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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
which comes in three
Slightly padded upper for extra comfort
Outsole features flex grooves in the outsole to improve flexibility
lightweight UltraSky™ midsole
Active Comfort Socks (AC4) - Lime Size:Medium which comes in threeThe AC4 Active Comfort Sock uses two of OS1sts signature technologies for the ultimate comfort experience. The AC4 is built with nano bamboo charcoal cushion where it counts and OS1sts cooling Skin Thin Technology for temperature regulation. Made for everything from exercise to everyday, this sock features blister protection, contoured padding, and light to moderate compression for support and fit. For the best fit, it is important to use the size
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