Attach your water hose, turn on faucet, and suction is created. Emptied my hot tub in 15 minutes.

The width on the shoe is great as well. I really struggle finding shoes because my feet are wider. They run a little big ( i have narrow feet).

Sizing is inaccurate. There was a big gap at the toe box. The section where the toes are is not in proportion to the rest of the shoe. Actually exchanging these, due to not true to size.