MC STAN Retro 90s Rectangle Sunglasses for Women And Men Trendy Small Nude Inspired Narrow Glasses This Is Good For Age Group-14 to 50 according to your face size. Inspired by MC STAN 90s designs, skinny sunglasses have a narrow frame and wide temples, and the rectangular frame makes these overall look more retro. It has "UV 400 protection" which blocks all light rays with wavelengths up to 400 nanometers. (This covers all of UVA and UVB rays.