[Zunige]

Over the years I have used various of the well known brands. They all make a custom fit for the different Spider versions. The best I've had (and still have) is a Noah cover (this one is made by Wolf). It is very versatile, and extremely durable. I like the fact that the material is lighter than the Evolution yet it breathes and works well both indoors and outdoors. I take mine on overnight trips. You can buy these on ebay for less than $150 (much cheaper than anywhere else), including shipping. The only thing I would caution against is paying the extra $$ to get the cover bag. I find that these bags are always too small, and you get a much better bag by buying a stuff sac from a camping store.

Best regards,