The NorthWave Celsius R GTX Winter Boots road boot is made with the Pique Gore-Tex® membrane which keeps the feet warm and perfectly insulated during mild winters. Comfort and insulation are further aided by the additional lining on the tip of the foot.NorthWave Celsius R GTX Winter Boots FeaturesNRG Air carbon reinforced sole (8 stiffness index).Pique Gore-Tex® membrane.Reinforced toe with anti-abrasion technology.SLW2 closure system.Easyfit Climaflex collar with Gore-Tex Rattler® membrane.Arctic 4layer insole.360° visibility. More info