DETAILS Custom-count, shrink-treated merino wool that enhances comfort and durability Features reinforced heels and toes and elastic support around the arches High density cushioning surrounds feet and ankles / Ankle ribbing ensures proper fit Ring-toe construction hides seams and enhances comfort SPECS Best Use:   Hiking Fabric:   69% Merino Wool / 27% Nylon / 4% Spandex Cushioning:   Heavy Height:    Crew