Trip report on crossing the Darien Gap for $230, took ages, 5 separate boats, lots of wetness, sounds like an adventure!
Hostel in Panama recommended on the HUBB (horizons unlimited) as a place to start a crossing of the Darien Gap in Panama.
FarkleMasters import the Rain Off motorcycling waterproof over gloves from New Zealand into the USA.
RejeX is a thin-film polymer coating designed to provide a high-release surface. Can be used to treat motorcycle shields to repel water and make bug removal easy. $15 a bottle. Perhaps worth checking out if Raincoat doesn't work out.
Moto Solutions make 2 products, Fogtech and Raincoat and anti-fog and a rain protection product for plastics including motorcycle shields. Looks excellent.
An essay on motorcycling from the uniquely peculiar perspective of Hunter S. Thompson.