For those who want the lightest running sock but still want a super-fine Merino wool, the Ultra-light fits the bill. Nothing but protection between you and your running shoes.

• Our patented Full Contact Fit^® hugs the contours of your foot and stays put so there are no loose socks to rub you the wrong way. This no-show sock will not fall down into your shoe.
• Flat knit design for zero bulk.
• Fully vented top for maximum breathability.
• No-show height.
• No cushioning in the footbed.

Small (Men's 3.5-5.5 / Women's 5-7)

Medium (Men's 6-8 / Women's 7.5-9.5)

Large (Men's 8.5-10 / Women's 10-11.5)

X-Large (Men's 10.5-12.5 / Women's 12-14)