Celsius XC GTX – your Shoes for autumn and winter! Introducing our XC and Marathon MTB shoe for cool autumn and mild winter days . Our Celsius XC GTX offers you the perfect protection and comfort for your winter training in a mild climate zone. The shoe consists of a pique Gore-Tex® membrane, which keeps the foot warm and perfectly insulated. An additional lining in the toe area provides better thermal insulation. #northwave #northwaveshoes #northwaveapparel #rideyourway