Kids 16 [90-100cm, under 20 lbs]Kids 18 [100-110cm, 25-35 lbs]Kids 20 [110-120cm, 35-45 lbs]Kids 22 [120-130cm, 45-55 lbs]Kids 24 [130-140cm, 55-65 lbs]Kids 26 [140-150cm, 65-75 lbs]Kids 28 [150-160cm, 80-90 lbs] QC Adult S [165-170cm, 100-120 lbs]Adult M [170-175cm, 120-140 lbs]Adult L [175-180cm, 140-160 lbs]Adult XL [180-185cm, 160-180 lbs]Adult 2XL [185-190cm, 180-200 lbs]Adult 3XL [190-200cm, 200-220 lbs] QC