What to check first
The best waterproof is the one you can reach quickly. Pack shells near the top, keep gloves dry, and use separate bags for sleeping layers.
Practical ride notes
Breathability claims need context. Slow climbs, warm rain, and loaded bikes create moisture from the inside too, so venting and layering matter.
Before you click
If a route has long exposed sections, choose comfort and visibility over the lightest possible shell.