Check the listing for details. SealSkinz Runton Socks - Black, X-Large. Color: Not Available, Condition: New with tags. Listed at 52.96 USD. The original, mid-length Runton sock, with Hydrostop. Fully waterproof and breathable, the Runton thrives in cold environments. Merino wool interior is soft and insulative, with natural odour-resistance. Built for cold pursuits.Extra-durable nylon exterior, with 4-way stretch for an optimal fit. Aquasealz waterproof membrane releases moisture vapour from inside the sock. Premium merino wool and acrylic blend, with terry-loop knitting for extra comfort and sweat-wicking. Natural antimicrobial properties, stopping growth of odour-causing bacteria. A seamless construction, with elastic support on the ankle, providing a close fit. Item Specifications: Season, Warm Weather, Material, Synthetic, Gender/Age, Unisex, Color, Black, Size, X-Large, Defined Color, Black, HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us