The new Simms Waypoints Pants is 100% waterproof and breathable.  The Waypoints Simms fishing rain pant has a drop through pocket to reach inside to your inside layer and is also very packable.

Simms Waypoints Pants

The Simms Waypoints Pants are made with a 2 1/2 layer Toray fabric for breathability and waterproof protection.  The newly designed Waypoints Pants have a front pocket reach through to get inside to your inmost layer.  The pants can be rolled up from the feet up and held together with a bungee that is found on the hip.

100% waterproof/breathable protection

Bungee cords on left hip hold pants together when it is rolled up to be packed