Related Products Compression Socks Cotton Over The Knee 3 Pair Pack Extended Crop Sock Merino Wool Comfort Top Crew Merino Wool Over The Knee Socks Description Over the knee length. 70% merino wool, 25% nylon, 5% elastane. NZ made. Additional information Sizes 4-9 shoe Colours Black Style Code: 671. Categories: Socks, Wool.