Not really, but we haven't had much time to discuss it. He said something about floating higher in the water (which is logical, but I float pretty well ) and being able to use the oxygen in your lungs for longer, which I'm not sure if I buy.
Anyone?
Winter riding is much less about badassery and much more about bundle-uppery. - malkin
1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
2008 white Nakamura Summit Custom mtb/Terry Falcon X
2000 Schwinn Fastback Comp road bike/Specialized Jett