ENDURANCE ACCESSORIES: Designed for the great outdoors, the Bircham Waterproof All Weather Ankle Length Sock excels in activities ranging from high-intensity sports to relaxed outdoor pursuits. Its 100% waterproof and thermoregulating features make it suitable for any adventure. DURABLE: Constructed with a blend of Polycolon, Nylon, and Elastane in the outer layer, and a middle layer featuring AQUASEALZ waterproof membrane, this sock is ideal for all-weather conditions. The premium Merino Wool interior ensures comfort and durability, perfect for both summer and winter activities. THE VERY BEST: Available in a range of colours to match your style, the Bircham sock adapts to various outdoor settings. Its ankle length design complements its breathability, making it a versatile choice for mountain biking, trekking, or trail running. EASY CARE: Maintaining the Bircham sock is straightforward. Simply wash at 40ºC, opt for a low tumble dry or drip dry, and avoid dry cleaning, ironing, or bleaching. This care routine ensures your sock remains in excellent condition. OUR BRAND: SEALSKINZ has over twenty years of experience crafting the finest waterproof accessories. Trusted by athletes and outdoor enthusiasts worldwide, our products, including the Bircham sock, are designed to offer unparalleled comfort and performance in the great outdoors. Sealskinz Unisex Waterproof Ankle Socks. Introducing the Waterproof All Weather Ankle Length Sock, the original and 100% waterproof solution for various weather conditions. Available in Black/Grey Marl, Grey / Grey Marl and Navy Blue / Grey Marl. These socks boast a three-layer bonded construction for ultimate waterproofing and breathability: Outer Layer: 62% Polycolon, 29% Nylon, 9% Elastane, Middle Layer: 100% Hydrophilic Membrane and Inner Layer: 36% Merino Wool, 36% Acrylic, 18% Polyester, 5% Nylon, 5% Elastane.. These socks are easy to care for: Wash at 40ºC/105ºF and Do Not Dry Clean, Iron, or Bleach.. Stay comfortable, dry, and ready for any weather with our reliable ankle length socks.. Extra Product Details. 100% waterproof and windproof. Breathable for comfort in various weather conditions. Versatile for all types of outdoor activities. Stylish black and grey marl color options. Three-layer construction for superior performance. Easy care, machine washable. No need for re-waterproofing.