Allows The User To Direct Adjustable Air Pressure To Different Areas Of The Lower Back Creates An Adjustable Custom Fit And Massage-like Pressure To Help Relieve Pain And Spasm Slender And Fits Very Easily Under Clothing Mesh Panels And Ventilaion Hole: These Features Increase Breathability And Enhance Comfort Overlapping Double Pull Strap Design: These Straps Provide Additional Support To The Lumbar And Abdominal Areas Flexible Stays: Positioned To Provide Optimum Support In The Lumbar Area Gripper Strips: Rubber Material Is Strategically Sewn Inside Each Support Toprevent Migration