Posture Corrector — Our posture corrector is designed with human nature to provide proper pressure to your back and waist, help prevent hunched back or posture correction, help you stand taller and straighter, improve bad posture, hunched back correction, Pain and pain. Lightweight and comfortable — Weight: 0.55kg, adopts breathable velvet breathable fabric, and the aluminum alloy bracket has good plasticity. Easy to wear, removable soft chest pads make it more comfortable and easier to clean. Optimized Size Guide for Comfort: Choose from S, M, L for a perfect fit. S fits heights 55"-63" (140-160cm), waists 25"-31" (63-79cm). M is for heights 63"-69" (160-175cm), waists 31"-39" (80-100cm). L caters to >69" (175cm+), waists 39"-43" (100-110cm). Note: Use adjustable straps to customize for comfort. Not custom-made, sizes are a guide. For All Genders — The whole family can benefit from this fully adjustable posture corrector for all genders. Effectively get rid of shoulder, back and neck pain caused by sprains, muscle spasms and strains. By activating the back muscles to straighten the spine in the back, it reduces the degree of kyphosis caused by osteoporosis. Teen hunchback, correct bad posture. Backpack Design — Humanized backpack design, does not affect the chest and abdomen breathing, does not limit the activities of the shoulders and hands. Lightweight and invisible, it can be worn as underwear. Show your best at all times. The backrest fits your back, and you always maintain an optimal posture with your back straight and your stomach flat. An upright pose makes you look taller and makes you more confident.