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33% Half size too small
100% Felt true to width
100% Moderate arch support
- SKU: #8734419
- Run with the expected comfort of the Smartwool® PhD Run Ultra Micro 3-Pack!
- Sold as a three-pair pack.
- Micro sock sits below the ankle.
- Ultralight cushioning construction provides daylong comfort in close-fitting shoes.
- 4 Degree™ elite fit system utilizes two different elastics to enhance stretch and recovery.
- ReliaWool™ in high-impact areas of the foot provides long-lasting wear.
- 200 needle construction provides high-density cushioning without compromising its light weight feel.
- Achilles tab helps prevent irritation.
- Strategically-placed mesh vents.
- Nearly seamless toe.
- 48% nylon, 48% wool, 4% elastane
- Machine wash warm on gentle. Tumble dry low.
- Made in the U.S.A. from imported yarns.
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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!