Performance Four Socks Accessory size:Large (L) 100% recycled HTD™ nylon ripstop

100% recycled HTD™ nylon ripstop outer sheds the elements while HyperDRY™ down will keep you warm and dry

These glasses come in two lens options

- Robust hybrid construction with thick ABS shell and dual EPP and EPS foam liner

and SOS modes

Performance Four Socks Accessory size:Large (L) 100% recycled HTD™ nylon ripstopThe original Swiftwick sock. Nylon in the heel and toe provide maximum durability. The ideal sock for mountain biking, gravel races and other adventures where durability is important. The Four quarter crew sock has our signature double cuff construction for added support and is our most popular sock height for cycling.