FOUR SIZE TO CHOOSE: The WIN.MAX back brace comes in 4 sizes (M, L, XL, and 2XL). Perfect for birthday, Christmas gift for girlfriend, mom, grandma. COMFORTABLE AND BREATHABLE: The back brace utilizes premium breathable mesh fabric, fostering air circulation and heat dissipation. Stay cool whether you're lifting weights, playing golf, doing household chores, driving, or gardening. PREVENT BACK INJURIES: Our lumbar support belt is equipped with 2 elastic straps, is designed to provide additional compression around the lower back. This helps prevent back injuries caused by weight lifting, prolonged standing or sitting, household chores, work-related activities, running, hiking, workouts, and more. UNIQUE DESIGN: WIN.MAX back brace for women lower back introduces a new generation of ergonomic design, integrating 4 memory aluminum strips. These elements offer robust support and notably enhance spinal curvature, alleviating pain from muscle tension while maintaining a secure and supported position for your torso. FIND YOUR PERFECT SIZE: WIN.MAX back brace comes in four sizes (M-2XL). Prior to confirming your order, be sure to consult the size chart and measurement guide, verifying the chosen size for your waist. If your waist size falls between M and L, please choose size L, and so on.