The pants have built-in penis sheath with a tube connected to an inflatable butt-plug with a tube inside. Excellent idea , poor implementation. The pee goes everywhere but in the right direction! The pipes are way too narrow.
I must admit, it would be really nice to have a one-piece solution, but I doubt it ever exists.
From www.rubberist.net by WilliJim:
I made two modifications:
The modifications did not solve either the leakage or the butt-plug issue, but definitely improved the "usability".
See this link for more information.