This is DM size, but can also be worn by dogs that fit the size. It's a fleece-lined knit. Measurements taken with the item laid flat: Back length: 41 cm Chest: 40-42 cm Neck: 28 cm *Please read the profile before purchasing. *This is a price reduction from 1300 yen, so please purchase as is. Thank you. o(^▽^)o