UltimateSwimFin.com - Home of the Lunocet Monofin worn by Michael Phelps

"The most fun you can have with your swimsuit on!" The Lunocet provided Michael Phelps with 349% more propulsion, allowing him to swim 87% faster than his 2009 World Record!

Press / Media Coverage:

 

Esquire.com - Finally, a Race That Even Michael Phelps Can't Win

Inverse.com - Michael Phelps Will Become a Merman In Attempt to Out-Swim Shark

Yahoo.com - Michael Phelps on His Shark Week ‘Race’ With a Great White — and the One Thing That Made Him Nervous

Telegraph.co.uk - Michael Phelps vs Shark: 20 questions everyone wants to ask as Olympic Gold takes on Great White

LifeZette.com - Michael Phelps Swims for His Life

NBC Sports / Jimmy Fallon - Michael Phelps details Shark Week race on Jimmy Fallon