We designed Flex Smart to move with your body and your needs. The Maxi brief is lightweight and seamless and our patented fabric adapts to any situation. Maxi brief with completely seamless design, no VPL. Made from recycled patented fabric that adapts to your body's movements. 4D engineered stretch lace. Lightweight, delivering optimum comfort. 82% Polyamide, 18% Elastane Machine Wash.