How to measure
Height: from the top of head to the ground (without shoes)
Chest: measure around the fullest part of the chest
Waist: measure the natural waistline above hip
Overarm: measure from CB neck down the arm to wrist
Please note that our dual sized garments are generously cut and will fit upto the larger or dual sizing ie. 4-6 years will be sufficient for a standard 6 year old.