Introducing Helix, the new standard in performance footwear. Bont Cycling’s race-proven anatomic fit is now even further enhanced by a newly reimagined closure system. Experience performance and comfort without compromise like never before.Key Features:Durolite,Retention System,Cable Routing,Single Boa,Unidirectional Carbon Chassis,TPU Toe Protector,Ventilation,Anti Stretch,Carbon Fibre,Memory Foam Padding,Medial Longitudinal Arch Support,Anatomical Forefoot Shape,Anatomical Heel Cup,Lateral Forefoot Support,.Specifications:Material: Unidirectional Carbon Monocoque Chassis with Durolite upperStack Height: 3.6 mmAir Vents: Ventilation via air vents on front bumper and perforated upperInnersole: EVA thermo-moldableSole Guards: ReplaceablePadding: Memory FoamCleat Mounting: MM grid plus grip / 3 Hole Look ConfigurationFit Customization: Fully Heat Moldable Chassis utilizing Epoxy Thermoset ResinClosing Options: BOA IP1 Dual Dial Retention System with Kevlar wiringWeight: 260 grams (Size 46.5)Color Options: Metallic Blue/White, Black/Gold, Black/Black, White/Charcoal, Shiny Red/White