The Nucleus Air redefines breathable performance, combining comprehensive ventilation with Sidi’s signature protection.

Designed for urban and outdoor adventures, it features D3O ankle protectors for superior impact defense, a Materiis sole for long-lasting grip and comfort, and a patented internal Fortex structure that reinforces stability without sacrificing flexibility. Lightweight, protective, and fully ventilated, the Nucleus Air offers all-day comfort and safety, wherever the road may lead.

PERFECT COOLING FOR EVERY RIDE
High-tenacity ventilated fabric with all-around reinforcements creates a structure that is fully ventilated, lightweight, and durable.

D3O IMPACT PROTECTORS
Safety without compromise.

FORTEX TECHNOLOGY
Protection that remains imperceptible.

EXCLUSIVE MATERIIS COMPOUND
Grip on any terrain, with comfort both on the pedals and while walking.

STABLE, PROTECTED, AND SECURE
The elongated profile is anatomically shaped for protection, while the extended lacing system helps prevent the foot from slipping in the event of an accident.

ALL-DAY COMFORT FOR EVERY RIDER
An advanced last shape accommodates various foot types, ensuring comfort, stability, and control.