With oakley's innovative integrated leash system, these sunglasses feature a high tension steel cable that keeps them securely in place, ensuring you never have to worry about losing them while out on the water. The lightweight and flexible frame, crafted from stress resistant o matter material, guarantees all day comfort without compromising durability.the split shot sunglasses are engineered for optimal performance in aquatic environments. The curved browline is specifically designed to be compatible with hats and caps, providing a comfortable fit and preventing interference. The high wrap design offers complete coverage, shielding your eyes from all angles, and ensuring maximum protection against harmful uv rays and intense glare.equipped with prizm lenses, these sunglasses deliver enhanced colour and contrast, allowing for full detailed vision on the water. With plutonite lens technology, the split shot filters 100% of uva, uvb, and harmful blue light up to 400nm, ensuring superior eye safety.prizm lens enhanced colour and contrast for full detailed visionhigh wrap design for full coverageintegrated removeable leash systemstress resistant o matter frameunobtanium nose pads and ear socks for a comfortable, secure fitplutonite lens filters 100% of uva, uvb up to 400nm and some harmful blue lightframe colour blacklens colour greylight transmission 11%light conditions bright light