Our ultra light cushioned PhD Running Ultra Light Micro is great for mild weather and shorter distances, without the tan line. Thanks to ReliaWool Technology in high density impact zones, these socks are sure to outrun your running shoes.

• New 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
• Patent pending ReliaWool Technology in high impact areas provides the longer lasting protection to keep feet comfortable
• Low profile and durable virtually seamless toe
• Alternating 1×1 welt
• 1.5 overall height
• 54% Merino Wool, 44% Nylon, 2% Elastane

Height: Micro
Cushioning: Ultra Light Non Cushion

Shoe Size Reference (US)
Small: 4 – 6.5
Medium: 7 – 8.5
Large: 9 – 11.5
XLarge: 12 – 14.5