The extremely comfortable arena unisex Goggles The One Mask are designed for fitness swimmers. Thanks to its exclusive gasket design it adapts to different face shapes. The unisex mask features an extra soft silicone seal, anti-fog coating, and UV 400 protection. Composition: 60% polycarbonate, 40% silicone. These universal and comfortable goggles offer excellent panoramic vision, hard lenses with UV protection and anti-fog coating, and an extremely soft and long-lasting silicone seal. They also feature a self-adjusting nose bridge, split strap, and are PVC-free, making them ideal for fitness swimmers.