The Smartwool Tiva crew sock comes with targeted cushioning, a comfy Merino Wool blend, and a supportive fit. The narrower profile provides perfect women's specific fit. The light cushioning helps in impact absorption without added bulk. It includes features like Virtually Seamless toe and supportive arch brace. It is made of 65% Merino Wool, 33% Nylon, and 2% Elastane.