Details Smartwool PhD Ski Light Elite Pattern Socks A knee length ski sock in Smartwool's merino/nylon blend. An arch brace holds the sock in place and adds additional support, while a flat-knit toe minimises blisters. Not just for skiings, the PhD Ski Light Elite sock is great whenever you need extra warmth. Indestructawool™ Technology – For enhanced durability 4 Degree™ Elite Fit System – Provides a dialed, performance-oriented fit Body-mapped mesh zones for added breathability Wider welt for secure fit and comfort Virtually Seamless™ toe for enhanced comfort Made in USA Material: 59% Merino Wool, 38% Nylon, 3% Elastane Specifications PhD Ski Light Elite Pattern Sock