The Ultimate Triathlon Shoe. The fi’zi:k K1 perfectly blends speed and comfort for the truly competitive triathlete. The outsole is constructed of the best carbon fibers in the world which are stiff yet compliant. The custom moldable insole, made by Sides specifically for fi’zi:k, is designed to provide support to the longitudinal arch, the metatarsal arch and the heel cup maintaining supreme comfort for long distances. The upper is constructed of a breathable neoprene which provides ample ventilation on top of water-resistance and ease of entry. The straps are designed to insure only the smoothest of transitions.
Breathable Neoprene Material Construction
3D Flex Carbon Outsole
3D Flex Cycling Moldable Insole
Sail Cloth Straps
159 Gram Weight (Size 38.5)