before buying any stroller, you have to make sure about the size and age your dog. during the summer time, average air temperature is around +15°c to +30°c and can get as high as +38°c. here is the long story and the short of it! if not, there really should be, for this reason alone. excellent support meant after going over on my ankle when slipping on a rock i managed to continue running with absolutely no pain the next day or following the fall. •the harder someone is hit, the worse the concussion. 