Noelle Phares designs by Smartwool. Indestructawool™ technology with extended durability zones. 4 Degree™ elite fit system for a dialed-in, performance-oriented fit. Additional body-mapped mesh zones for added breathability. Virtually Seamless™ toe for enhanced comfort. Comfort welt with 'stay put' fit. CONTENT: 55% Merino Wool 12% Nylon 29% Recycled Nylon 3% Elastane 1% Polyester. HEIGHT: Crew. CUSHIONING: Light Cushion. Height 8".