The Smartwool Work Heavy Crew Sock is a heavily cushioned sock for long days on the job. A 2 Degree Fit system supports the arch and ankle all day long, while the cushioning underfoot absorbs impact. A taller crew height allows for ample leg coverage in work boots with heights of 6 to 8 inches. Finished off with a safety toe, the additional cushion there adds durability. Features of the Smartwool Work Heavy Crew Sock Safety toe design with additional cushion and durability Taller crew height accommodates 6-8in. work boots Smartwool 2Adeg Fit system with elasticized arch and ankle support designed to keep the sock in place Flat knit toe seam for additional comfort Fabric Details 90% Merino Wool, 8% Nylon, 2% Elastane