The women-specific design, soft wool construction, and supportive arch brace of the Smartwool Premium Chup Hummingbird Crew socks will keep you feeling cozy and look stylish all season long. Part of the CHUP designs by Smartwool collection. Crew-cut sits at the calf. Sold as one-pair pack. Athletic ribbed cuffs help keep your socks in place when youre on the go. Bracing on the arches provide additional support. Virtually Seamless toe is designed for all day comfort and to minimize chaffing. Colorful striped design. Style Number: SW003963. 72 percent wool, 27 percent nylon, 1 percent elastane. Machine wash, tumble dry. Made in the USA.