This is a Customizable Polarized Sunglasses for Both Men & Ladies, Very Suitable for Sports People, with a Variety of Colors & Filters to Choose From, & Uv Protection, Suitable for Travel, Cycling, Mountaineering, Swimming, & All Other Places. Its Very Good Design is Very Personalized, & It is Just Right & Will Not Slip Off, & the Wearing Experience is Comfortable. the Frame is Made of PC Material, & the Lens is Made of Tac Material. There Are Red Film, Ice Blue Film, & Grey Film as Optional Filters for the Glasses.