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. HEIGHT: Mid Crew, CUSHIONING: Light Cushion, CONTENT: 56% Merino Wool, 12% Nylon, 29% Recycled Nylon, 3% Elastane