Brand New, Unopened [X-Shaped Design for Ideal Posture] The aoFIT posture correction supporter features an X-shaped (biomechanical butterfly design) structure that fits the shoulder blades, effectively correcting slouching and reducing back stiffness and pain. By wearing it for 1-2 hours a day for 21 days, it supports a healthy and beautiful posture. [Comfortable Fit That Doesn't Burden the Shoulders] The high-elastic belt adapts firmly to various body types, balancing functionality and comfort. The 3-layer composite structure is lightweight and gentle on the skin, improving posture while reducing the burden on the shoulders. [Achieve a Beautiful Silhouette with Bust Up] The front belt, designed based on ergonomics, lifts the bust, shapes the side lines, and creates a beautifully toned silhouette. Not only does it improve posture, but it also cultivates a confident aura. [Unobtrusive! Easy-to-Use Design for Everyday Wear] The design follows the body line and is inconspicuous, making it difficult to notice under clothing. It subtly maintains ideal posture in various daily life situations, such as commuting, workouts, and housework. [Ultra-Thin, Ultra-Soft, High-Quality Breathable Material] Adopts ultra-thin, ultra-soft, and breathable high-quality material with excellent texture. The unique V-shaped compression pads and luxurious suede stitching gently fit the back and shoulders, suppressing irritation and discomfort even during prolonged wear. - Model Name: Ultra Support Essential - Brand Name: BOFIT - Washing Instructions: Hand wash recommended - Features: Design emphasizing fit Thank you for viewing.