To develop and maintain acclimatization in weather that is unseasonably cool or in preparing for a race in a warmer climate assume that each layer of dry clothing or degree of coverage, (i.e. going from short to long sleeved shirt or from shorts to tights), is equivalent to 15 or 20 degrees in temperature.
(acclimatization in weather; is; unseasonably cool or in preparing for a race in a warmer climate)
acclimatization in weather
is
unseasonably cool or in preparing for a race in a warmer climate