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- SKU: #8810819
- From spring marathon training to fall trail runs, keep your cool with the Smartwool® PhD® Run Ultra Light Logo Crew sock!
- Sold as one-pair pack.
- Run-specific fit.
- PhD® technology is built for performance in the highest degree.
- 4 Degree™ Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place.
- Men's-specific mesh ventilation zones provide additional breathability and moisture management.
- Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
- 200 needle construction provides highest knit density while maintaining ultra light weight.
- Minimal cushioning for maximum next-to-foot performance without added bulk.
- Virtually Seamless™ toe.
- 49% nylon, 46% wool, 5% elastane.
- Machine wash, tumble dry.
- Made in the USA.
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Free Shipping and Free Returns
Learn more about our free shipping and free returns policy
If, for any reason, you are unsatisfied with your purchase from Zappos Retail, Inc. you may return it in its original condition within 365 days for a refund. We'll even pay for return shipping!