Body Weight Chest
Junior 30-40kg (60-88lbs) 66-86cm (26-34")
Small/Medium > 40kg (80lbs) 86-99cm (34-39")
Medium/Large > 70kg (154lbs) 99-111cm (39-44")
X-Large > 70kg (154lbs) 111-124cm (44-49")
XX-Large > 70kg (154lbs) 124-136cm (49-54")