The thinnest running sock Smartwool makes, built for women who want nothing but a smooth layer between foot and shoe. Zero cushion keeps fit precise in a snug racing or road shoe, the low ankle hides under the collar, and an Achilles tab stops it from sliding down into the heel. Merino and nylon manage sweat on humid summer runs, and the toe is reinforced where runners wear through socks first.

Specs

• Style: SW001668
• Cushion: Zero Cushion
• Height: Low Ankle
• Fibre blend: 51% Wool-Merino · 45% Nylon · 4% Elastane
• Fit: Women's-specific fit, narrower heel shape · Achilles tab
• Features: Indestructawool™ durability zones · 4 Degree™ Elite Fit System · Virtually Seamless™ toe · Shred Shield™ toe wear protection
• Made in: USA
• Sizes: S · M · L · XL