Perfect for a bike commute, boulder session, or any casual outing, SmartWool's Sulawesi Stripe is good to go. Noncushioned in cool colors, it works with almost any shoe, and its arch brace supports all day. Made from pure merino wool, nylon, and elastane. No cushion for a smooth fit. SmartWool delivers soft, itch-free comfort, even foot temperature, moisture management, and odor control. Supportive arch brace for a comfortable fit and to keep the sock in place. Crew height. Machine wash warm inside out, gentle cycle; tumble dry low or line dry.