Jiusuibian Posture Correction Children's Underwear Girls 12-15 Years 7A Antibacterial Mesh Thin Girl Sports Bra PE Class Sports Vest

Elastic waistband and shoulder straps designed to prevent slipping and discomfort

Scientific shoulder strap design to correct poor posture and promote good posture development

Excludes decorative materials and accessories

Non-tight, non-binding, and breathable for all-day comfort

Provides support while allowing room for breast development

Reduces sweat and stickiness

Suitable for running and jumping without displacement

Soft elastic bands prevent pressure marks on shoulders and waist

| Size | 1/2 Bust | Garment Length | 1/2 Hem | Side Bone Length | Cup Length |

|-------|----------|----------------|---------|------------------|------------|

| 75B | 33 | 29 | 26.5 | 12.5 | 29 |

| 80B | 34.5 | 30 | 28 | 13 | 30 |

| 85B | 36 | 31 | 29.5 | 13.5 | 31 |

| 90B | 37.5 | 32 | 31 | 14 | 32 |

| Size | 70 | 75 | 80 | 85 | 90 |

|-------|-----|-----|-----|-----|-----|

| Label |140/70|150/75|160/80|165/85|170/90|

| Under Bust (cm) |65-70|70-75|75-80|80-85|85-90|

| Bust Difference (A/B) |7.5-10 (A) |10-12 (B)| - | - | - |

Recommended for early breast development stage with reserved growth space

Suitable for middle school students transitioning from primary school (ages 12-15)

Class A quality

Comfortable, breathable, and high-elastic fiber material

Tested and certified by Jiusuiban laboratory

Jiusuiban is a professional Chinese brand dedicated to protecting children's growth with responsibility and care for over 20 years, specializing in full-category developmental underwear for girls.