The women's PhD Ultra Light Micro is sized and colored just for women. This low-cut anklet features the new 4-Degree Fit System for skin tight performance and micro loop cushioning in the high-density impact zones for added durability.

The women's PhD Running Light Mini sock from Smartwool is one of the best socks for running in all but the coldest conditions. With a women's specific fit and extra padding in high density impact zones, the PhD Running Light Mini goes uncommonly well with many of the best trail runners around.

So you don't want the high tan line of yesterday's running socks? Our Women's PhD Light Micro features high density SmartWool cushioning in the critical impact zones for added protection and durability.

Stripes make everything better. Featuring a supportive arch brace and WOW Technology, meaning we've replaced some of the nylon with a more durable wool yarn, giving you more of wool's benefits.

With a soft top, smooth toe seam and personalized fit, this crew-high sock is so comfortable you won't want to take it off. And since it's odor-free, you won't even have to.

The ultra light cushioned women's PhD Running Ultra Light Mini is the perfect running sock for mild weather and shorter distances. Specifically designed for a woman's foot. Thanks to WOW Technology in high density impact zones, shock and abrasion are reduced.

The ultimate women's trail running, warm weather day hiking sock. With SmartWool's 4-Degree Fit System, this sock provides the best in shock absorbency, durability and all-day high performance fit.

Fun and sassy, the Margarita merino sock from SmartWool oozes class in any situation and is a fun way to show of a little personality. Blended like its namesake drink, the Margarita is made from 70% superfine merino wool for warmth and just enough nylon and spandex to comfortably hold its shape for years of wear. We promise...you will love them!

SmartWool's most versatile women's outdoor sock. The lightweight half-cushion SmartWool sole is highly durable and shock absorbant.