Back in the ’80s topsiders were popular as the preppy shoe of choice. They faded into the background to be kept afloat by sailors and other boaters. But while the traditional style is still available from manufacturer Sperry, some new designs use tech specific to water sports. The Ping uses SON-R technology that gives the wearer feedback of the surface he’s walking on. Made to go on land and under shallow water for launching boats and small boat water sports like Kayaking and canoeing, the Ping has an “outsole-to-insole-to brain” sensory feedback system constructed of multiple pads comprising the same sole. This SON-R system lets you feel the rocks under your feet and navigate different surfaces even when you can’t see them under water.