Sidi NUCLEUS AIR

Nucleus Air – Walk on Air. Ride with Confidence.
Ventilated by design. Protected by performance.

The Nucleus Air redefines breathable riding footwear. Built for urban adventures and light touring, it delivers all-day ventilation without compromising protection. A full mesh construction with reinforced zones allows constant airflow, while D3O® ankle protectors and an internal Fortex® support system provide impact resistance and stability when it matters most.

Its extended lacing system and ergonomic shape ensure a secure, adaptable fit across foot types, while the Materiis compound sole offers multi-surface grip and long-lasting comfort—on foot or on the bike. Lightweight, breathable, and impact-ready, the Nucleus Air is made to follow wherever the road leads.

Key Features
High-tenacity ventilated mesh upper – reinforced and abrasion-resistant

D3O® ankle inserts – flexible on movement, rigid on impact

Extended lacing system – secure fit and foot retention during incidents

Patented Fortex® inner structure – stabilizes the foot without restricting motion

Anatomical shaping – designed for versatile fit and ergonomic comfort

Materiis compound sole – grip, flexibility, and comfort on any surface

Use case: Urban riding, commuting, light adventure