Change can be scary. Except when it comes to improving the comfort of Smartwool socks. These No Show socks feature new technologya "Shred Shield to help reduce wear from toes and a seamless opening to help minimize pressure points from your favorite low-profile shoes. These low riders will give you all the benefits of Merino wool with a "barely there" peek of color showing out of your shoe. 60% merino wool38% nylon2% elastane. Virtually Seamless toe for enhanced support. Internal gripper at heel for a secure fit. Shred Shield technology, Smartwool's newest technology, reinforces the toe cap with minimal cushioning. The result reduces excess friction from the toe and around the toenails and increases durability three times. Seamless opening reduces pressure points and improves comfort. Supportive arch brace. Women's-specific fit, with a narrower heel and slimmer profile. Ultra Light cushioning. Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean. Made in USA of Imported Yarns.