Jack Wills Size Guide

UK BOYS SIZE BOYS AGE UK GIRLS SIZE GIRLS AGE
XXSB 5-6 yrs XXSG 5-6 yrs
XSB 6-7 yrs XSG 6-7 yrs
SB 7-8 yrs SG 7-8 yrs
MB 9-10 yrs MG 9-10 yrs
LB 11-12 yrs LG 11-12 yrs
XLB 13 yrs XLG 13 yrs