As reliable as you are, our trusty Work Heavy Crew Socks accommodate taller work boots and use our SmartwoolA(R) 2 Degree fit system with arch and ankle support to help keep the sock in place. Our heaviest and most durable working socks also feature a safety toe design that puts additional cushioning and durability around the toe-helping you stay comfortable all day, every day. Benefits: SmartwoolA(R) Fit System: 2 Degree fit system with arch and ankle support helps keep sock in place Heavy Cushion: Heavy cushion for impact absorption and warmth Features: Sock Height: Crew Safety toe design with additional cushion and durability Taller crew height accommodates 6-8" work boots Flat knit toe seam for additional comfort Made in USA of Imported Yarn: 61% Merino Wool, 38% Nylon, 1% Elastane Style: SW001178 Care: Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.