Cascade Yarns 220 Superwash SPORT Heather #1910 - SUMMER SKY HEATHER Cascade Yarns 220 SuperWash Sport Summer Sky Heather #1910 100% Superwash Merino Wool Size: [2] Sport. Knitting Needle Size: US 5 - 6 / 3.75 - 4.0 mm. Knitting Gauge: 22 - 24 = 4" (10 cm). Crochet Hook Size: G / 4.25 mm (7 / 4.50 mm, H / 5.00 mm). Crochet Gauge: 15 sc = 4" (10 cm) (15 sc = 4" (10 cm), 14 sc = 4" (10 cm) Weight: 50 g / 1.75 oz. Approx: 136.5 yds / 125 m. Machine Wash Cool. Tumble Dry Low.