The PhD Micro Toe Sock from Smartwool is made from a Merino wool blend that offers excellent natural temp and moisture regulating properties. Smartwool's own ReliaWool Technology ensures extra padding is in place for all of your high-impact areas. The PhD Micro Toe Socks work well in any shoe, but seem to especially shine in barefoot shoes such as Vibram FiveFingers.
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
Alternating 1x1 welt 1.5" overall height
Knit in USA of 57% Merino Wool, 40% Nylon, 3% Elastane