The North Face - Big Kids' Apparel Size Guide

Height Weight Chest Waist Hip Arm Length Inseam
XS (6) 46-47 in 44-50 lbs 23.5-24.5 in 22-23 in 24.5-25.5 in 23 in 20-21 in
S (7/8) 49-51 in 51-65 lbs 25-27 in 24-25 in 26-28 in 25.5 in 22-24 in
M (10) 52.5-55.5 in 66-87 lbs 27.5-29 in 25-26 in
L (12) 57.5-59.5 in 88-105 lbs 29.5-30.5 in 26.5-27.5 in 29-30 in 27 in 22-24 in
XL (14-16) 61-63 in 106-125 lbs 31.5-33.5 in 28-30 in 32-35 in 31.5 in 29-30.5 in
XXL (18-20) 66-68 in 126-140 lbs 34.5-36.5 in 31-33 in 35.5-38 in 33.5 in 30.5-31.5 in