Smozer Adjustable mirror Swimming Goggles Waterproof Anti Fog UV Protection Triathlon Swim Goggles with Free Protection Case for Adult Men Women Youth Mirrored lenses are made of solid hard plastic that's clear and easy to see thru but virtually unbreakable and provide UV protection. Coated to resist any fogging whatsoever, and the soft silicone eyecups and strap are both comfortable and make sure they stay put. Leak-Proof design - One piece flexible nose bridge, adjustable strap, and waterproof eyecup allow the goggles to fit to your face and head properly Perfect for casual swimming as well as competitive swimming - race starts as well as hard lap turns Soft and comfortable, made with a very substantial, robust, high quality silicone - durable, stylish water goggles Unisex design makes it suitable for most adult men and women to wear