Rowan Thick 'n' Thin 983 Munroe SAVE 20%. Rowan Thick 'n' Thin gives the knitted fabric a unique textured finish, made from 100% wool this fashion yarn is ideal for winter accessories, but will equally add definition to any knitted sweater. DISCONTINUED RANGE 100% Merino. 50m / 55yds per 50gm Ball 9 mm (UK00, OS13) 10 sts x 13 rows per 10cm