Thermoregulating underlayer leggings with male ergonomics, recommended for low-intensity sports at very low temperatures and for sports at low temperatures with high temperature fluctuations. Seamless all-round construction with a wide waistband for maximum adaptability. Formed of a micro-space structure to encourage perspiration to escape. Designed with Performance Round technology that guarantees the athlete constant temperature despite temperature fluctuations. Aimed at sports where there are significant temperature fluctuations. Supported by the Silver Base Layer mesh, developed with high antibacterial power.