The intelligent X-BIONIC® INVENT® LT Singlet for men counteracts the risk of overheating. It cools when you sweat and warms when you are cold. Wear it while running, cycling, trekking, or during any other athletic activity. Feel more powerful and comfortably temperate.

The integrated 3D Bionic Sphere® System cools when you sweat and warms when you are cold. Sleeveless, pleasantly close-fitting, and with a beneficially thin structure, this singlet can be worn under your sportswear without adding bulk. All you feel is exactly the cooling effect you desire on warm days.