Although the average temperature continues to fluctuate, spring sports are well underway. From soccer, softball and track to lacrosse, baseball and golf, outdoor sports are back in action now that the warmer weather has finally returned. That isn't to say, however, that players haven't been playing in poor weather conditions, or that they won't continue to do so, until the heat of summer arrives. Therefore, athletes should be increasingly aware of how the temperature affects their bodies. Almost every athlete focuses mainly on training, practice and pre-game preparation; however, it's important for them to realize how their choice of activewear impacts their overall performance.