The Prime Evo race boots have been developed by Sparco to offer the highest levels of comfort and the lightest weight of any boot in their range. Constructed using an ultra-lightweight, super-soft kangaroo leather upper, combined with a real carbon sole for optimum weight reduction without compromising performance or safety. Ultra-lightweight, flexible kangaroo leather construction for supreme comfort Real carbon sole for optimum weight reduction Single layer stretch jacquard tongue and rear insert provide high levels of comfort Single laceless strap closure reduces weight and allows for a precise fit Ultra-lightweight (just 210g in a size 42 - UK 8) FIA 8856-2023 Approved