Nike Boys Fit Guide

Size Chest Waist Hips Height Age
X-Small (6-7) 25.5-26" 23.5-24" 27-28" 47-51" 6-7
Small (8-9) 26-27" 24-25.5" 28-29.5" 51-55" 8-9
Medium (10-12) 26-27" 25.5-27" 29.5-31.5" 55-59" 10-11
Large (14-16) 29.5-32" 27-28.5" 31.5-33.5" 59-63" 12-13
X-Large (18-20) 32-35" 28.5-29.5" 33.5-35" 63-67" 14"