Arena Python GoggleKeep your eye on the prize with arenas Python goggle. The goggles sleek, snake eye shaped lens provides the ultimate hydrodynamic performance while giving the swimmer an optimized wide, clearer vision of the competitive elements. Additional Features: Hard polycarbonate lens 3 piece adjustable nose bridges: If goggles aren't fitting correctly, try changing out the adjustable nose bridge for better fit and lens gasket placement Dual adjustable silicone