The super lightweight Core Plus with plenty of features for even more performance, such as the reinforced NRG Air Carbon sole with a stiffness index of 8.0 and 5 ventilation openings for perfect ventilation. The seamless unibody construction reduces pressure points. Four inserts of breathable mesh and additional micro ventilation openings on the entire surface provide optimal ventilation.The SLW3 knob - the only one with gradual loosening or complete opening at the simple push of a button - ensures easy access and perfect fit. - Intended use: road bike / cyclocross - Size information: Size runs normal - Fit: close-fitting cut Material - Upper: breathable mesh Scope of delivery: 1 pair Equipment - Type closure system: twist closure - Special features: Toe cap/protection - Closure system: SLW3 twist closure with extra Velcro closure Functions & Features - Features: wind resistant Pedal systems - Bike shoe type: for clipless pedals Road bike - Cleat fitting: for 3-hole cleats Sole - Outsole: NRG Air Carbon - Sole type: hard Fit & Cut - Fit Foot width: normal Main information - Season: Spring/Summer.