The Sparco X-light + shoes features a first for Sparco in that they do not have a tongue. Instead, an internal elasticated sock is used, this gives a far more comfortable feel with a closer fit. A side ultra-fast lace closure system provides a very close and secure fit and abrasion resistant leather around the heel protect the foot and improve the lifespan of the boot. They are constructed from a mix of ultra supple kangaroo leather and synthetic leather to create a highly comfortable yet lightweight high top race boot. Thin rubber sole with differing tread pattern for optimum grip and feel on the pedals. Perforations provide increased airflow to reduce perspiration. FIA 8856-2018 and SFI 3.3/5 approved.