The Grivel G22 Plus EVO Crampon is the lightest replaceable dual point tech crampon.New EVO bindings uses 12mm webbing instead of 14mm to reduce weight and bulk, and features a host of individual upgrades to improve the fit and ease of use. Cramp-o-matic bindings for C3 boots.Mono-Rail tech distributes pressure evenly among all 12 pointsCramp-o-matic step-in bindings are quick and easy to put onSafety straps on front bales prevent total loss of cramponsFront and rear anti-balling prevent snow from building upSemirigid antibott design is both CE and UIAA certified