2. Double Y-leader belt on the back
1. The shoulder strap is widened,
the pressure is dispersed, and the shoulder not tight
2. One-piece cutting, comfortable close-fitting fabric = fits the shoulders, widened shoulders design makes you feel very comfortable, breathable features suitable for summer.
Without ever getting uncomfortable or irritating your skin as most other cheaper posture correctors do, it won't cause armpit pain.
3. Double Y-structure cross-leader belt cross-stressed, and the shoulders are quickly opened
Three-layer composite structure fabric: skin-friendly and comfortable, high tensile force, high resilience