Not sure if these have quite made it to mass production, but the ideas are intriguing, to say the least:

Hanging Cocoon for Emergency Outdoor Survival
Looks rather like a..... well, you'll have to see for yourself.

Canine Earthquake Rescue Jacket
My 10-lbs. mutt suffers enough with the little sweaters and coats I buy him (though he needs 'em during those MN winters!). But that thing is 50,000 yen, which I think is equivalent to $448!

If you have any links of your own to share, feel free to add to this thread!