Features

Over-the-calf, terry rib knit for custom fit.  Ultra High Density Cushioning on foot bottom and around lower leg. Won't break down under pressure. Less bulk more comfort.  Custom shrink treated Merino Wool.
Ribbed ankle support: Keeps sock in place. No slipping or bunching.
Arch Support: Provides extra lift and endurance
Zero Friction Y Heel: Deep heel pocket keeps sock in place - reduces friction. No blisters.  Ring toe construction for a comfortable invisible seam.

 68% merino wool, 28% nylon, and 4% Lycra® spandex.

Sizing

Small (Womens 3-5)
Medium (Womens 7-9.5,Mens 6-8.5)
Large (Womens 9.5-12,Mens 9-11.5)
X-Large (Womens 13-16, Mens 12+)