Bounded upper all seamless for comfort to prevent pressure points, Integrated double X-Comfort Zone1 technology prevents numbness and accommodates multiple foot widths Lace system with 4 independent adjustment zones to maximized comfort, 3D insoles3 with 3 adjustable arches for custom fit COOLMAX insole with Ergo Air system, Outsole with ventilation channels, Mesh zones for more ventilation Boa Li2, mechanism generates higher power, PowerZone Technology for better ankle support and stability, Patented 100% Carbon outsole2 Rear reflective accents Garneau is super stoked to launch the new Rusty Woods Limited Edition Shoe, both in recognition of his phenomenal talent and as a memento of the time he spent with them. Featuring three (3) of Garneau's patented technologies, acclaimed as one of the best shoes of the year many times and winner of a Eurobike award, the Course Airlite XZ is the most comfortable shoe in the world and has proven it is able to get on the highest step of the podium as well as delivering the best climbing performances. Simple on the outside, its inside represents everything important to Mike's life. As a matter of fact, its insole artistic design was actually drawn by Mike.