The fur of a dog provides only a light layer of protection against the elements, and the wind chill makes it feel even colder to a dog left outdoors. (reference.com)
In fact, the rain doesn't stand a chance against this model, thanks to its factory - sealed fly and floor seams that provide added protection against the elements. (geekwrapped.com)
Parents can also buy a rain cover and a sun filter that provide extra protection against the elements. (stroller-envy.com)