When breathability is essential, the Rex Air is the solution. Featuring a perforated upper for optimal ventilation, this boot maintains all the characteristics of the Rex with an added advantage. Every element of this racing boot has been designed to provide maximum protection. Worn by our professional riders, the Rex includes high-quality TPU protections and a nylon exoskeleton reinforced with fiberglass for essential support. The high-density resin dial system ensures a perfect fit, adjustable on both sides. Positioned outside the contact areas, it’s integrated into the boot’s structure to provide impact protection. Its lateral design ensures secure support during riding.

Dial fastening system
Replaceable shin plate
Ankle reinforcements
Ventilation system
Asymmetrical heel shell
Replaceable slider

// TOTAL PROTECTION

Safety is not an option, and this boot makes it a priority thanks to a high-quality TPU internal support structure and fiberglass reinforced nylon.

// CUSTOM FIT

The only boot that perfectly conforms to the shin with bilateral adjustment. Made from high-density resin, our exclusive dial system is built to last and is fully replaceable.

// TOTAL CONTROL

Designed to provide increased stability, Firmor technology keeps the foot optimally positioned, ensuring stability and control in all situations.

// PROTECTION IN ALL CIRCUMSTANCES

Our unique fastening system is designed to withstand impacts and keep the boot in place even in the event of an accident.

// DESIGNED TO SLIDE

In competition, sliding is often the safest way to protect oneself during an accident. The Rex Air is designed to facilitate sliding and minimize direct impacts.

// ADVANTAGES

HIGH ABRASION RESISTANT MICROFIBER: Superior feel, durable and comfortable protection
BREATHABLE UPPER: Optimized ventilation while riding
IMPACT PROTECTIONS: Maximum safety
EXTERNAL FIBERGLASS STRUCTURE: Targeted protection and effective support
HIGH DENSITY RESIN DIAL SYSTEM: Firm hold and individual fit
ASYMMETRICAL HEEL SHELL: Designed for sliding
LOW PROFILE RACING SOLE: Maximum feel at the handlebars
REPLACEABLE PROTECTION PARTS: Built to last, it's a Sidi

Collection: 2026

Certification: CE approved

Gender: Male

Usage: Sport Racing

Waterproof: No

External protection shell: Yes

Sliders: Yes - Removable

Ankle reinforcements: Yes

Range: Rex Air