The standard-setting benchmark for lightweight touring performance, the updated F1 features a responsive, laterally stiff design and incredible range of motion, as well as an Intuition liner, integrated RECCO reflector and new tongue alignment extension on the shell.Grilamid shell and cuff deliver lightweight performanceCarbon Core technology provides outstanding torsional rigidityFast buckle cuff closure provides quick transitions from up-to-downBoa Fit System shell closure for a fast and secure fitF1 manual ski/walk mechanism is quick and reliableRECCO technology for added safety