Cascade 220 Superwash Aran Splatter - Hydrangea #07 Cascade 220 Superwash Aran Splatter - Hydrangea #07. 220 Superwash Aran Splatter is a fantastic addition to the 220 Superwash line. This aran weight yarn is thicker than our traditional 220 Superwash but not quite as thick as 128 Superwash making it a perfect in between weight and with added flecks of color it's bursting with possibilities! Try this soft, impeccably plied yarn in big fisherman sweater projects, cowls, hats, mittens or any project that needs a durable 100% wool. 100% Superwash Merino Wool. Yarn Size [4] Heavy Worsted. Weight: 100 g / 3.5 oz. Approx. Yardage: 150 yds / 137.5 m Knitting Needle Size: US 8 - 9 / 5.0 - 5.5mm. Knitting Gauge: 16 - 18 sts = 4" (10 cm) Machine Wash Cool. Tumble Dry Cool.