I would go along with it and hang out and don’t expect anything more. At worst, you have a fun new friend whom you like to hang out with --that’s a win! Since she has no problems making the first move, if she wants this to be more, she’ll let you know. Just have fun with your new friend!
Have you seen the way old men dress? Everything is gray or brown with the least amount of shape or texture. It’s like boomers collectively agreed to be as uniform and boring as possible. There used to be as much style and individuality in men’s fashion as women’s, but sometime around the end of the 1800s they all said “let’s just all wear this one plain thing for the next 200 years.”