Fingering weight 257 yards 50 grams Gauge: 28.0 sts = 4 inches on a Needle size US 2½ - 3.0 mm Fibers: 100% Merino wool Care: Dry Flat, Machine Wash SUNDAY PetiteKnit is the perfect basic yarn: a thin non-superwash treated merino wool that can be knitted in both single and double thread. Or knit together with a thread with Silk Mohair.