Engineered with anatomical design and Targeted Compression, providing a Custom-Like Fit and reduced risk of blisters, plus Ultra Light cushioning takes up minimal room inside the shoe. This medium cushioned mini crew sock (2 1/2 inch cuff) helps combat lace pressure on the top of the foot by adding cushioning across the instep as well as under foot. The hiking tech medium mini merino wool sock works best with low-cut hiking shoes. Now available with 37.5 Technology to keep you drier longer.