Active Top Size Guide
Note: Suggested age is just a number, measurements tell the real story when it comes to fit.
| My Daughter is: | Chest (inches) | Waistband (inches) | Alpha Size |
| 8-9 yrs | 25-27 | 24-26 | XS |
| 10-11 yrs | 27-29 | 26-27 | S |
| 12-13 yrs | 29-30 | 27-29 | M |
| 14+ yrs | 30+ | 29+ | L |
How Apoio Educates




Expert-Led & Science Backed
Apoio’s educational content is shaped in collaboration with medical professionals, nutritionists, and child development experts. Every topic is approached with sensitivity and backed by science, ensuring that the information shared with mothers and girls is accurate, age-appropriate, and reassuring.