Baby Cairis - 0 - 30 months (7-45lbs)

Toddler Cairis - 2 - 5 years (25-45lbs)

Preschool Cairis 4 - 6 years (25-45lbs)

Waist - 27"/ 69cm - 54"/137cm 

Toddler XL Waist - Padded waist 112cm - max length 152cm 

For more detailed sizing information, including measurements visit this page