For their Celsius R GTX shoes, Northwave has utilized the Gore-Tex Pique membrane to create a road shoe that is windproof and waterproof. This advanced technology not only keeps out the cold wind and water, but also provides exceptional insulation. The Celsius R GTX features a Pique Gore-Tex® membrane, making it perfect for colder temperatures as low as -3 degrees C. The shoe is equipped with an NRG Air carbon-reinforced sole, which offers excellent stiffness (8/15 stiffness index) for optimal power transfer. The overlap construction on the upper ensures a secure and comfortable fit. The SLW2 closure system allows for easy and precise adjustment. The Easyfit Climaflex collar provides added comfort and flexibility. The shoe also features a 4layer insole for enhanced support. With its 360-degree visibility, the Celsius R GTX offers increased safety on the road. Choose the Celsius R GTX for a high-performance road shoe that will keep you warm, dry, and visible during your rides.