During colorway development it is imperative to test dyes. These are some of the skeins used to do that. These are heavily discounted.
Merino Fingering - 100% Superwash Merino, 4-ply fingering weight, 438 yards/100 grams
Merino DK- 100% Superwash Merino, 231 yards/100 grams (4 ply)
Sock- 80% Superwash Merino, 20% Nylon, 400 yards/100g (2 ply)