Boys Size Chart

U.S. BOYS SIZE HEIGHT WEIGHT CHEST WAIST
X-SMALL (5-6) 46-50" 40-50 lb. 22" 22"
SMALL (8) 50-54" 55-65 lb. 24" 23"
MEDIUM (10/12) 54-58" 70-80 lb. 28" 24-25"
LARGE (14/16) 58-62" 85-95 lb. 32" 26-27"
X-LARGE (18/20) 62-66" 100-110 lb. 36" 28-29"