The suction seems adequate, less than i expected. It currently performs nicely. It's very quiet.

The shoe itself is good quality, simple, classic design, timeless. The ball of my foot on the right is very sensitive (such a pain when it comes to finding shoes what will not irritate it) and these are perfect!

Width of the heel also helps keep me stable when i have them on. Since finding the right fit for my semi wide size 7 to 7. Run a little big, but fit well with heel cushions.

The toe box is so tight. The product shoe sizing chart clearly indicates a size 6 (usa) is a size 4 (great britain) however when the shoes arrived it indicates a size 6 ( usa) was a size 3.