Sizing

Measurements

Height: Measure your child without shoes. Place feet together and take measurements from the top of the head to the floor.

Chest: Place tape as close under the arms as possible and measure round the fullest part.

Waist: Measure your child around the natural waistline. Tape should be comfortably loose.

Inside Leg: Measure from crotch to floor, legs shoulder width apart.

Garments

Pants, Leggings, Shorts and Skirts are designed so they can extend as your child grows. Eg: The waistband and cuffs roll out and back, a size 1-2 will fit a standard size 1 with the waistband and cuffs rolled back and a size 2 with them extended. 

Tunic Tops can be warn a dress or a blouse. eg; A size 1-2 dress will be a size 1-2 dress and a size 2-3 blouse.  
Bibs are OSFA with 2 snaps to adjust the size to fit. 
T-shirts are true to size with a little extra length at the bottom.