The Swiftwick Performance Sock has nylon in the heel and toe to provide maximum durability. The ideal sock for mountain biking, gravel races and other adventures where durability is important. The Four quarter crew sock has the signature double-cuff construction for added support and is Swiftwick's most popular sock height for cycling.
- Durable nylon heel and toe
- Lightweight Olefin wicks moisture and dries quickly
- Medium cushion
- Made in the USA