Amongst the massive collection of self-striping mixed-colour sock yarns, Opal's Uni 4 Ply stands out in a selection of solid single shades. Whether you want a solid colour sock, or a contrast for the heels and toes, Uni 4 Ply provides an excellent selection of varied hues, making it easy for you to mix and match.

Impressively prolific, Opal has a huge selection of sock yarns in various weights and colours, with new ranges being added faster than you can count. With such amazing choice, you're sure to find the design that's just right for you.