Internal gripper at heel to secure sock fit. Light cushioning under foot for all-day comfort. Virtually Seamless™ toe for enhanced comfort. Shred Shield™ technology reduces wear from toes. Seamless opening reduces pressure points and enhances comfort. Supportive arch brace. CONTENT: 70% Merino Wool 29% Nylon 1% Elastane. HEIGHT: No Show. CUSHIONING: Light Cushion.