T4.5T7-8: Regia Solid Sock Yarn Uni 44 or 044 or 0044 - Etsy UK
theofeel 8 x 150 g Ferner Wool Lungauer Sock Wool Pack #19, 8-ply Stocking Wool 8-ply Thick Sock Yarn for Needle Size 4.5-5 mm : Amazon.co.uk: Home & Kitchen
Rico Design Superba Easy Sock Yarn 150 g Colour 006 Ethno The 8-ply Superba Easy sock yarn is characterised by a striped look. : Amazon.co.uk: Home & Kitchen
Opal 8ply sock yarn – The Hive Pelynt
Buy Rico Superba Easy 8ply – Black Sheep Wools
Regia Color 8 Ply Sock Knitting Yarn | 150g Balls | Various Shades | Outback Yarns
Ravelry: Basic 8ply socks pattern by Cindy Edmonds
Opal Country 4ply Sock Yarn - Sitting Knitting
T12.5: Opal 8 Ply Sock Yarn Wilder Winter 6 Skeins Full Set - Etsy UK