The pit to pit measurement is 20 in. The sleeve length is 7 in. The length of the shirt from the collar to the bottom hem is 26 in The GM Official Licensed Corvette Graphic Men's T-shirt in size Black Medium is a stylish and versatile piece of clothing perfect for any fan of the iconic Corvette. Made from comfortable cotton knit fabric with a round neckline and short sleeves, this shirt features a logo accent and a graphic print of the Corvette character. Suitable for all seasons, this regular fit shirt is machine washable and a great addition to any wardrobe for those who appreciate American automotive history and the Corvette brand.