Beco Monterey swimming goggles These Beco competition goggles are made to take on any competition. They are ergonomically and aerodynamically designed and easy to adjust. The polarized lenses make it possible to swim in open water without being bothered by glare. The frame is made of polycarbonate and the lenses of Cellulose Pronionate. In addition, the lenses offer a wide field of vision. Specifications: Color: gray/black Gender: unisex Frame material: polycarbonate Lens material: Cellulose Pronionate Polarizing lenses: yes Size: one size Contents: 1 Swimming goggles 1 Storage box