Bauerfeind Sports Back Support - Breathable Compression - Back Panel Features Anatomically Contoured Pad Nubs Massaging Effect - Air Knit Fabric Breathable, Durable, Washable SUPPORTS THE BACK: The Sports Back Support encourages core muscle activation through beneficial compression during endurance sports activities, thus helping to protect the back against strain. The support comfortably wraps around the torso and straightens the back. TARGETED RELIEF: The knitted fabric gently massages the tissue over a large area during movement. A special functional element, an anatomically contoured pad with nubs, is incorporated in the back panel and has a massaging effect. The nubs rotate gently during movement, actively targeting trigger points. COMFORT AND FREEDOM OF MOVEMENT: The Air Knit fabric of the Sports Back Support is lightweight, comfortable, moisture-wicking and washable. It is designed for maximum breathability and comfort. Its anatomic contouring and flat abdominal fastening provide a secure fit and supports freedom of movement. FIT AND SIZING: Measure the circumference of your abdomen immediately below your navel. Refer to the sizing chart in the product images for a size to associate with this measurement. 100% SATISFACTION GUARANTEED: With proper use and care, our products are designed to last. We stand behind everything we sell. If you are not satisfied with your purchase, you can return it for a replacement or refund within 30 days of purchase. One year warranty against manufacture defects included. MADE IN GERMANY with the highest quality standards.