This unisex garter-striped vest, hat and pants set is knit in worsted weight elann.com Den-M-Nit indigo-dyed cotton, a yarn that shrinks and fades like denim. Instructions and measurements for non-shrinking yarn are included. Very easy to knit. Vest to fit size 6-9 months, 1, 2, 3, 4, 6 years uses 306, 306, 306, 408, 510, 510 yards of worsted weight elann.com Den-M-Nit indigo-dyed cotton. Pants to fit 1, 2, 3 years use 612, 714, 816 yards. All hat sizes (small, medium, large) use 204 yards.