OS1st FS4 Merino Compression Socks The OS1st FS4 Merino Socks are ideal for everyday use, providing both comfort and support with or without shoes. These long, anatomically designed socks feature 4 zones of graduated compression support and a seamless construction, ensuring maximum comfort all day long. Key Features: 4 Compression Zones: Graduated compression support designed to enhance circulation and provide targeted support where it's needed most. 100% Recycled Merino Wool: Made with sustainable materials, these socks are both eco-friendly and exceptionally comfortable. Moisture-Wicking and Odor-Neutralizing: Keeps feet dry, neutralizes odors, and ensures breathability. Temperature Regulating: Maintains an optimal foot temperature in both warm and cold weather, making them suitable for year-round use. Anatomical Fit: Contoured design provides a secure, comfortable fit that enhances support and reduces bulk. Color: Black Sizes: Small: Shoe size 33-36 Medium: Shoe size 37-41 Large: Shoe size 42-46 X-Large: Shoe size 47-50 Material Composition: Merino Wool: 25% Acrylic: 25% Nylon: 40% Lycra: 10% Why Choose OS1st FS4 Merino Socks? The OS1st FS4 Merino Socks offer an excellent balance of comfort, support, and sustainability. Designed to maintain even foot temperature in any weather, these socks are perfect for daily wear throughout the year. Their moisture-wicking and odor-neutralizing properties keep your feet fresh and comfortable. Whether worn casually or during light physical activity, these socks ensure that your feet remain supported and comfortable all day.