A few options! I think ripstop or equivalent material would be good. Needs to be waterproof. I wish madison disclosed more technical details.
Patagonia Alpine Houdini® Jacket 139 USD 201g
H2No® Performance Standard shell: 2.5-layer,
1.9-oz 30-denier 100% nylon ripstop with a waterproof/breathable barrier and a DWR (durable water repellent) finish.
VERSALITE JACKET 135 USD 189 g
<2.5-layer DRY-TEC™ technology (Water resistance : 20,000 mm / Breathability : 15,000 g/m²/ 24 hrs)
15-denier Ballistic Airlight rip-stop nylon
Outdoor Research Helium II 140 USD 180 g
YKK® AquaGuard® Zippers
Pertex® Shield+ 2.5L
100% nylon 30D ripstop
Madison Roam 65 GBP 620g
Unknown zippers
Unknown fabric?