The Seirus Men's Heatwave Mapped Bottoms keep the warmth keeps the warmth in your legs while you feel fresh. They are engineered with 3 dynamically complimenting fabrics that deliver warmth where its needed most. These amazing bottoms features Max Wick for increased breathability in areas where you run hot and, Polygiene anti-microbial mesh in the highest vent areas to provide more protection to your legs. The Seirus Men's Heatwave Mapped Bottoms provide the protection and warmth you need every day.