Description Duckworth'S New Over-The-Calf Sock Combines The Midweight Merino Wool Blend That Everyone Loves Into A Slightly Longer Length. This Sock Is Ideal For Taller Boots That Need That Extra Height In The Sock To Avoid Any Friction Against The Skin. They Are Lightweight, Naturally Antimicrobial (Odor-Free), Itch-Free, Moisture-Wicking And Quick-Drying. The Merino Wool Fabric Is Naturally Cooling, But Also Traps Heat When You Need It. We Have Crafted This Design To Have Extra Cushion In The Pressure Points Of The Foot. The Specialized Ring Toe Seam Construction Adds Extended Cushion Around The Toe Seam For Impeccable Comfort. Extremely Cold Winters And Scorching Hot Summers Are No Match For Merino. American-Made With Montana Wool, These Unisex Socks Are Available In Multiple Colors. Composition Composition: 67% Montana Merino Wool, 24% Nylon, 6% Elastic, 3% Lycra Sizing &Amp;Amp; Wool Care Men'S Sizing: S 3-6, M 6-9.5, L 10-12.5, Xl 13-15 Women'S Sizing: S 4-7, M 7-10.5, L 11-13.5, Xl 14-16