The cap works great. It stays in place while riding my cycle. This cap is an adult one size fits all. The material is very lightweight, not stuffy, and very comfortable. There was no smelly fabric I wore it right out of the package. It is simple ready to use. Just what I was looking for, very lightweight, but protective. I am happy with this purchase. I would recommend to a friend if someone looking for a nice cap. #rankboosterreview #sponsored #toplor https://www.amazon.com/Skull-Helmet-Liner-Running-Beanie/dp/B077X69269