Polo Ralph Lauren Childrenswear Size GuideSize Guide › Polo Ralph Lauren › Clothing SIZE CONVERSIONS International sizing conversions to help select your correct size. If you have already purchased an item from Polo Ralph Lauren, we recommend that you select the same size as indicated on the label. Polo Ralph Lauren sizes on the David Jones site are Origin sizes so please use our chart below to work out the correct sizing for you. Boy's (1.5-6 Years) Size Chart Sizes Height Weight Waist 2T 88-93cm 13-14kg 50cm 3T 94-100cm 14-16kg 51cm 4T 102-108cm 16-18kg 52cm 5 109-116cm 18-20kg 53cm 6 117-123cm 20-22kg 55cm 7 124-134cm 22-25kg 56cm One Size (2T-4T) 80-108cm 13-18kg 50-52cm - Toddler Clothing is cut to fit a leaner and mobile toddler - For in-between sizes, choose the larger size - Age is up to be used as a guide - All sizes are approximate Boy's (6-14 Years) Size Chart Sizes Sizes (US) Height Weight Waist S 8 136-138CM 25-28KG 58CM M 10 140-142CM 28-33KG 61CM M 12 144-149CM 33-39KG 64CM L 14 150-155CM 40-45KG 66CM L 16 156-161CM 46-52KG 69CM XL 18 163-168CM 52-57KG 71CM XL 20 169-174CM 57-62KG 74CM S/M S/M 136-149CM 25-39KG 58-64CM L/XL L/XL 150-174CM 40-62KG 66-74CM - Older Ages are cut more generously than the other age groups - If you want a leaner fit, sizing down may be an option - Classic Polos offer a baggy fit - Custom Polos offer a leaner cut - Slim Polos offer a leaner/tailored cut - Age is ro be used as a guide - All sizes are approximate -approx