Children's Size Guide

Size Age Chest in inches Chest in cm
XS 3 - 4 20" - 22" 51 - 56 cm
S 5 - 6 22" - 24" 56 - 61 cm
M 7 - 8 24" - 27" 61 - 69 cm
L 9 - 11 27" - 30" 69 - 76 cm
XL 12 - 14 31" - 33" 79 - 84 cm