Named for the legions of birds that call the water home, the Wader is equally adept in its element. Fully integrated Hydrolite rubber flows throughout the temple, guaranteeing a comfortable, secure fit, even in salty condition. Just like you, Wader is always ready for the water. Model name: Wader Lens material: Polarized Polycarbonate (580P) Frame fit: Regular Size: XL Nosepad adjustable: Yes Lens curve: Base 6