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: Low Ankle, CUSHIONING: Light Cushion, CONTENT: 57% Merino Wool, 11% Nylon, 30% Recycled Nylon, 2% Elastane