Size: (M - Men's 7-9.5 , Women's 8-10.5)  -  (L - Men's 10-13 , Women's 10.5-14)

-MAXIMUM SWEAT MANAGEMENT- Olefin fiber is a light-weight, high performance fiber that wicks moisture and dries quickly, so your feet stay dry and blister-free wherever your adventures take you.

- BREATHABLE DESIGN: Featuring upper channels that provide ventilation for increased breathability, preventing hotspots and keeping your feet cool.

- CONTROLLED SUPPORT- Moderate compression throughout the arch band gently hugs your feet to support your muscles and keep your socks in place.

- REINFORCED HEEL AND TOE- For maximum durability in abrasion prone areas, we've reinforced the heel and toe. Go ahead, test its limits.

- MADE IN THE USA: Swiftwick Socks are designed and crafted in the USA

- 53% nylon, 39% Olefin, 8% spandex