Mrs Fitz's Armwarmers are designed by Barry Klein, founder and creative director of Trendsetter Yarns, and is knit with his Basis yarn, a cotton, alpaca, cashmere blend. They're knit flat on US 3 (3.25 mm) or size to get gauge. Sizes are: S, 7" hand size, 15" length; M - 7.5" hand, 15.5" length; L - 8" Hand, 16" length. Pick your size and color, and keep those hands warm! The pattern does not come with the kit. The patterns are in the book.