Smartwool  PhD® Pro Endurance Print Socks - Unisex

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Sizing chart
Runs Small
Runs Slightly Small
True to Size
Runs Slightly Large
Runs Large

We worked with athlete Rob Krar to create the ultimate ultra-run sock. This purpose-built sock features Shred Shield™ technology to reduce wear from toes, activity-specific minimal and targeted sole cushioning, and a new malleolus ankle cushion designed for protection on the most rugged trails. These socks were built to go as far as you want to go, with unwavering comfort and performance.

Features
• 46% Merino Wool, 48% Nylon, 4% Elastane, 2% Polyester

This product is UNISEX: view our sizing chart to choose the right size.

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