Size Guideschoolwear2018-12-18T09:57:03+00:00 Getting the perfect fit Blazers, Jumpers & P.E Tops Chest Size: 2426" 28" 30" 32" 34" 36" 38"40"42" 44" Approx Age: 3/4Yrs 5/6Yrs 7/8Yrs 9/10Yrs 11 Yrs 12Yrs 13Yrs Small Medium Large X-Large