With all of the features that the Smartwool PhD® Run Ultra Light Micro Sock offers, your newest technology may be in your sock drawer. Indestructawool™ technology provides you with enhanced durability, while a 4 Degree™ elite fit system makes for a performance oriented fit. And Shred Shield™ technology reduces wear and tear from your toes. It's breathable, comfortable, and built to help take you farther. Features and Specifications Sock Height: Micro Indestructawool™ technology for enhanced durability 4 Degree™ elite fit system for a dialed, performance-oriented fit Shred Shield™ technology reduces wear from toes Body-mapped mesh zones for added breathability Virtually Seamless™ toe for enhanced comfort Achilles tab designed to prevent sock from slipping down into footwear Made in USA of Imported Yarns: 45% Merino Wool, 50% Nylon, 5% Elastane Style: SW001405 Sizing Chart (shoe size reference) Sizes US Men US Women Euro UK Small 3-5.5 4-6.5 34-37 2-4.5 Medium 6-8.5 7-9.5 38-41 5-7.5 Large 9-11.5 10-12.5 42-45 8-10.5 X Large 12-14.5 N/A 46-49 11-13.5
