The STORM W by Northwave with a rubber outsole providing optimal ankle support. The shoes feature a Morph 10 AAS outsole (hardness 10/15) with a carbon insole for better power transfer and a unibody construction made from reinforced ultra-thin materials and strategically placed venting mesh to create a sturdy shoe with excellent breathability. The shoes are compatible with SPEEDPLAY adapters ensuring the the shortest foot-pedal distance. The asymmetric lacing reduces pressure from the top of the foot, fast and practical SLW2 system closure allows for very precise release using a single button. Equipped with a system that prevents the shoes from accidental slipping off. Performance Regular insole for better plantar support.