Darn Tough Women's Stride Micro Crew Ultralightweight Size:M • Lightweight design

• Lightweight design

8 inch length (up to iPhone 8+ Plus and Samsung Galaxy 9+ plus)

• 250 lumen Daylight Visible tail light with Laser Lanes

UD is the abbreviation to describe the “uni” or one-directional arrangement of the fibers

Darn Tough Women's Stride Micro Crew Ultralightweight Size:M • Lightweight designPound the ground and put in the miles. It's never easy, but at least it's comfortable with the ultra lightweight Stride running sock. Extra durability was knit into the heel, footbed and at the first and fifth metatarsal (outside toes). This micro crew sock features smooth, anti chafe Merino Wool, with cooling mesh and a low profile, next to skin fit that will match any hundo you throw its way.