O'Neill Youth Rash Guard Size Chart
| 4 | 6 | 8 | 10 | 12 | 14 | 16 | |
|---|---|---|---|---|---|---|---|
| Height | 3'10"-4'1" | 4'1"-4'4" | 4'4"-4'7" | 4'7"-4'10" | 4'10"-5'1" | 5'1"-5'4" | 5'4"-5'7" |
| Weight (lbs) | 40-55 | 50-65 | 60-75 | 75-90 | 90-105 | 105-120 | 120-135 |
| Chest (in) | 23-25" | 24-26" | 26-28" | 28-30" | 29-31" | 31-33" | 33-35" |
| Waist (in) | 20-22" | 21-23" | 22-24" | 24-26" | 25-27" | 26-28" | 27-29" |