220 Superwash Wave is the new edition to the 220 range with a colour shift effect. The colour repeats are very long with some high contrast and tonal colour options. Machine washable and easy care. 100% Superwash Wool.Nightshift by Andrea Mowry is a super fun and simple knit that makes great use of Cascade 220 Superwash Wave! Meters Per Ball: 200Needle Size/Tension: 4-4.5mm / 20-22sts