but you have to know everything is nice what you like but it's not all about fashion it's more about function and sort of what we have to look out for the sun does you have to look for the right protection against also sun rays and also very important against your ultraviolet rays so you can look. and see on some of the frames a little decoder you can read you the 400 also you can check it so you can check this piece yes of course yeah you do it so he can take it here. and you can see this little you'll be here and when we make a board like this you can see yes you got a nice altro violet. well yes so it's good yes so what else to have to look out for . i think the size of the lenses as an important thing because you need the. lenses to help protect against the sun and also the colors are very important here