Arrived as expected at half the cost. I was a little worried about being knock offs given the cost but they’re legit ????NaUse them every day at work (LE) and they are amazing and price was perfect so if they got broke it wouldnt break my heart also.Great glasses at an even better price. Wanted 580g for fishing in all lighting conditions and these fit the bill. Even better they were cheaper than some 400p's. Bonus that Costa makes frames for people like me that don't have a giant head. Only minor gripe is they didn't come with a cloth, but the included case is nice.Boyfriend loved it for valentines daylove themThe omni fit really makes a difference for me!Fits exactly as the Costa I purchased in the store for much cheaperPROS1. Wraparound frame. Hugs gently around your skull without being overly tight. Global fit frame, where the nosepiece prevents rubbing my eyelashes on the lenses.2. Weight – Extremely lightweight. The weight of the sunglasses makes you feel as if you are not wearing any sunglasses at all.3. Peripheral vision – Wide Lenses. Outstanding peripheral vision.4. Nose Pads – Best invention. Adjustable. Fits people of ALL facial shapes and sizes, including people with higher cheekbones and lower nose bridges ( also called Asian Fit or Alternative Fit people ). I am an Asian Fit customer. The first pair of sunglasses in my life where the lens is farther away from the tip of my eyebrows causing zero smudges on the lenses. My long eyelashes do NOT rub the lenses at all.5. Sports – This pair is a sports model. Meant to work. Meant to be used as a TOOL for all sporting activities particularly water sports. Super secure and will NEVER fall off regardless of the intensity of sporting activity.6. Lenses – I have the Grey-based Blue Mirror lenses. Best for extremely bright light and harsh sun. Polarization efficiency is 99.99%. Outstanding optics, a masterpiece of invention. No distortion on the lenses. VLT is 10%CONSNone so far. If found any, I will edit my review.This is Costa’s famous frame – Fantail – from the core collection. I doubt I will find any cons on this pair of excellent sunglasses.An absolute five stars. Costa lenses are known for their quality and crisp optics. A brilliant invention of outstanding optics. Blocks harmful light up to 580 nm, as opposed to most sunglasses that block up to 400 nm.Expected to receive glass not plastic lens . Amazon choose the easy way out not to have glass lens replacement as advertised, just return