Opal : Regenwald 17 Opal’s annual Rainforest collection is back, and is available in 100 gram balls. 4ply, 8 colourways. 75% Superwash Virgin Wool, 25% Polyamid. Top : (left to right) 11090, 11091, 11092, 11093 Bottom : (left to right) 11094, 11095, 11096, 11097 Share this:TwitterFacebookLike this:Like Loading...