I cannot tolerate toe socks, and I needed something that makes me feel safe on the reformer. It has to be something I can wear that allows my toes to splay, doesn't but doesn't have to be replaced all the time, like grippy socks. These silicone sandal/shoes are perfect. The entire sole grips, and feels very secure when I work out. They clean easily with soap and water, and feel like they will last a good long while. The only downside is they are harder to put on and take off but the straps can be adjusted to fit around the shape of the foot. They are pricey, but I have easily spent over $100 on grippy socks at my studio, so in the long run, it's worth it. Yep. Buy them.