Knee High - Covers the entire lower leg up to the knee. Anatomical Shape: Left + right foot to adapt to your morphology. Performance Cushioning with enhanced Impact Protection. Zonal elastic: Calf and arch Support. Technical Wool Blend: Warm and Comfy. Boot Shield with Anti-Friction Cushion. Instep Airflow: Breathability and Moisture Release. 38% Polyamide, 30% Wool, 29% Polypropylene, 3% Elastane. Two Sizes for a perfect fit.