The NORTHWAVE Celsius XC GTX is designed with mild winter sessions in mind. The Pique Gore-Tex® membrane and the additional lining on the tip of the foot, along with the Arctic 4Layer insole and the Neoprene collar, secure perfect thermal insulation for your feet. This XC shoe offers extreme grip on any surface and its Jaws Carbon Reinforced sole (stiffness index 8.0) ensures the transfer of every watt of energy. With tons of added protection and visibility features, the NORTHWAVE Celsius XC GTX is a ticket for a good time in the cold!