The best? Can't go wrong with one from California Car Covers. They cost, but are well worth it. My Cobra is garaged but I sill use the California Dust Top.
Meat speaks with great wisdom. Listen to him Grasshopper.
Before we were able to get our cars into the garage, my wife and I got a pair of Stormweave covers from California. They work great and aren't horribly expensive.
The best? Can't go wrong with one from California Car Covers. They cost, but are well worth it. My Cobra is garaged but I sill use the California Dust Top.