Features: Experience enhanced back support with our thickened fleece pose corrector, to alleviate discomfort from prolonged sitting and promote proper spinal alignment for office workers and students. Crafted with breathable sandwich meshes, durability and reinforced fiber rods, this adjustable brace ensures optimal airflows and sturdy pose correction without sacrificing comfort. Ideal for professional requiring prolonged sitting (teachers, driver), fitness enthusiasts, and students seeking daily pose improvement during work, study, or travel. Wear discreetly under clothing during commutes, desk work, or outdoor activities—its lightweighted design fits effortlessly into bags for on the go spinal care . suitable for wearing during daily work, study or leisure, effectively improves poor sitting pose, relieves back fatigue, and helps shape a healthier body shape Specifications: Component: Sandwich meshes + fiber strips Size: S to XL Color: black Size:S Waistlines:66-80cm(25.98-31.50inch) Size:M Waistlines:81-98cm(31.89-38.58inch) Size:L Waistlines:99-120cm(38.98-47.24inch) Size:XL Waistlines:120-135cm(47.24-53.15inch) Package Includes: 1PC Thickened fleece back correction belt note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.