You cannot control the weather or your working conditions, but wearing gear that helps control your microclimate improves your comfort tremendously. Four key factors that affect your microclimate are heat balance, the environment, activity level, and the gear you wear.
Maintaining a comfortable body temperature means balancing the amount of heat transferred through your clothing.
Although your environment may change from day to day, you can reduce its effect on your performance.
Your physical condition and activity level have a direct effect on your comfort.
What you wear from head to toe influences your comfort and how you perform.