Feature: Ergonomically designed, most effective way to correct your bad posture and reduce back pain caused accordingly Straighten your shoulders and back, pull shoulders back to align clavicle to get the correct posture, let your head, spine, neck and collar bones naturally aligned and reduce postural pain in the neck and shoulder Look taller and more confident by retraining your muscles while improving posture Made of quality elastic fabric, the brace is breathable and comfortable to wear Built-in 2 support rods provide excellent support for back to avoid osseous changes in the spine Easy to put on or take off by yourself without asking any other's help Can be adjusted to wear above your clothes Specification: Item Name: Back Posture Corrector & Support Brace Type: Shaper, posture correction Gender: Unisex Material: Mesh + High-duty Support Plate + Hook & loop Size: S, M, L, XL, 2XL S: Waist: 70-85cm M: Waist: 80-95cm L: Waist: 80-105cm XL: Waist: 100-115cm 2XL: Waist: 110-125cm