Pearl Izumi Sock Sizes
Sock Size	US Men's Shoe Size	US Women's Shoe Size
S	N/A	5-7
M	N/A	7.5-9
L	N/A	9.5-11

Sock Geek Says:

The Pearl Izumi Ultra Team is one of the best in the business. While winning 50 and 100 mile mountain ultra's they are also testing Pearl's gear. When you purchase a pair of Pearl Izumi Infinity Trail Socks you know that they have been developed and tested under the most challenging conditions.

Key Features include:

+ ELITE Transfer Merino Wool yarns provide superior moisture transfer and insulate when wet.

+ Strategic cushioning under foot.

+ Ultra-smooth toe design provides superior comfort.

+ Anatomic arch compression for a performance fit.

+ Mesh ventilation over top of foot.

Pearl Izumi Infinity Trail Sock Specs

Sock Fibers:

64% - Merino Wool
29% - Nylon
5% - General Fiber
2% - Lycra^® Spandex

Made in the USA