With this pattern you can design your own hats for charity and simple gifts. Five brim designs, three crown designs, plus optional stripes and color blocking choices will give you endless possibilities. Sizes range from newborn to adult large. Brim designs include: 1x1 rib, 2x2 rib, rolled brim, picot hem, and scallop edge. Crown designs include: square, basic round, and stem. Hats are meant to be worn with 1-2" negative ease. BASIC SKILLS NECESSARY working in the round k2tog ssk sk2p m1 long tail cast on loop cast on GAUGE 20 sts and 26 rounds= 4" in Stockinette stitch in the round on larger needles. SIZING / FINISHED MEASUREMENTS newborn (up to 3 months, 3-6 months, 6-12 months)[1-5 years, 6 years-adult small, adult medium-adult large] To fit head size: 13.5 (15-16, 16-17, 17-18)[18-20, 20-22, 22-24]"