Go for a run on a blustery day and let the windproof and water-resistant fabric on the front of the Men's Effusion Power Tight protect you from the elements. As Mountain Hardwear's lightest weight tight, the Effusion slides over your legs and acts like a weather-fighting second skin. MicroClimate construction places mesh panels in areas where you need more fabric breathability to feel comfortable. Windproof and water-resistant face fabric keeps you dry and fights off the heat-robbing effects of foul-weather. DWR fabric coating further allows the face fabric to repel moisture.