XS: Bust 26cm back length 20cm (recommendations 2-3 pounds of dog)

   S: Bust 32cm back length 26cm (recommendations 3-5 kg dogs)

   M: Bust 36cm back length 30cm (recommendations 5-7 kg dogs)

   L: Bust 40cm back length 35cm (recommendations 7-9 kg dogs)

   XL: Bust 48cm back length 38cm (recommendations 10-14 kg dogs)