TYR Nest Pro Swim Goggles The TYR Nest Pro Swim Goggles are performance goggles that transcend traditional design. The Nest Pro's has Polypropylene Over-Mold Frame that provides unique high-tech structure design. Its Head Strap features Patented Glide Clip System which allows easy on-head adjustment and it conforms to side of head while flat back straps allow for secure fit. Its frame/gasket features a dual-injected system with over-molded nose bridge. It has wide peripheral Cellulose Propionate (CP) Lenses which feature imbedded Anti-Fog properties and are UV Protected. The TYR Nest Pro Swim Goggles are an ideal goggle choice for performance, training, open- water and triathlon applications.