Ultimax Spirit is very comfortable and has characteristics specifically designed to guarantee high performance and reliability under challenging and technical cycling conditions. The light yet resistant uppers have several Nylon Mesh inserts to provide excellent ventilation, dissipate dampness and improve comfort. This model is fitted with an Energy Strap Control closure. The one piece heel strap with built in micro ratchet closure system and a particularly rigid heel enhance performance during cycling. The two Velcro straps hold the foot securely and firmly inside the shoe, thus preventing discomfort. Model SPIRIT as a nylon sole enriched with fiberglass. Weight size: 41 334 g.