Outdoor Heavy Weight Multi-Use CLIMAYARN® Wool Sock Style: Nasuh Performance Features: CLIMAYARN® technology expels humidity, keeps warmth during low temperatures, prevents overheating during exercise, mixes the benefits of natural Merino Wool with the high performance and strength of the Polypropylene, and dries significantly quicker compared to Cotton blends Full Cushion 3 X 1 rib cuff Heavy full cushion provides shock absorption and offers better insulation overall Arch support holds sock in place and adds additional comfort Performance Fibers: Branded CLIMAYARN® Merino Wool thermo-regulating blend Type 6.6 high-performance Microfiber Polyamide to prevent humidity absorption SOFT COMFORT technology by LYCRA® fiber delivers superior quality and fit Oeko-Tex® Approved Composition: 50% Wool, 22% Polyamide, 14% Viscose, 12% Polypropylene, 2% LYCRA® Elastane