Shoes for Underwater Marathons

Underwater running is a tough, if healthy, way to exercise. The "gills" on these sneakers turn it into a workout to make a salmon sweat

Editor's Rating:

The Good: A good tool for a rigorous, low-impact workout

The Bad: The workout can be too rigorous for some

The Bottom Line: Strong athletes may enjoy the shoes, but plain old pool water already provides plenty of resistance

In the shadow of Nike's (NKE) Oregon headquarters, startup AQx Sports is producing underwater running shoes.

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