The Betty Fajas Colombianas Reductoras Waist Cincher and Body Shaper Waist Trainer constructed with latex to create thermal action that stimulates fat burning, weight loss, removal of toxins, lined with soft, gentle cotton for maximum comfort Designed with a higher rising waist in underbust style to provide optimal support for everyday wear, works great with long and short torsos Built with 9 spiral steel boned construction, it offers high compression yet is flexible and durable enough to allow exercising and working out 3 hook-and-eye closures allow you to size the garment down as you shape your waist size and become trimmer To size please measure your waist in inches and determine the correct size; your natural waistline is the narrowest part of your midsection, which is usually three fingers above your belly button -if you are between sizes, please size up for best fit