When the day calls for galactic socks, don't settleSmartWool's Saturnsphere Socks excel at keeping your feet dry, warm, comfy, and colorful. . Made from merino wool, nylon, and elastane. SmartWool delivers soft, itch-free comfort, even foot temperature, moisture management, and natural odor resistance. Cushioned under the foot for extra comfort and warmth. Supportive arch brace helps keep the sock in place.