The upper has an Overlap ultra-fascing construction, to reduce aerodynamic resistance by evenly binding the foot without any pressure points, helping to transfer every watt of power and eliminating energy dispersion.
Northwave Celsius R GTX Boot Black toe is reinforced in anti-abrasion TPU and the closure system has a SLW2 dial, the only one with a step-by-step release that allows a millimetric adjustment of the shoe closure in a quick and intuitive way. The new Easyfit Climaflex collar combines the extreme flexibility of the Gore-Tex Rattler® membrane with the high thermal insulation of Neoprene, providing incredible mobility, protection and fit. The wrapping and the positioning of the heel are guaranteed by an anatomic seat and a solid thermoformed buttress and the Arctic 4Layer insole built in Eva + Aluminum + Eva + Pile, ensures excellent thermal insulation. For added safety, the 360 ° reflective inserts ensure great visibility on the road.