SIDI Nucleus Air Shoes - 42 - Black/White

The Nucleus Air redefines breathable performance, combining full 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 durable grip and comfort, and an internal Fortex patented structure that reinforces stability without sacrificing flexibility. Lightweight, protective, and fully ventilated, the Nucleus Air delivers all-day comfort and safety wherever the road leads.

- Upper: High-tenacity vented fabric with reinforced zones – lightweight, breathable, and durable

- Closure: Extended lacing system – secure, stable fit that helps prevent slippage during impact

- Ankle Protection: D3O® inserts – flexible protection that stiffens instantly on impact

- Internal Structure: Fortex® patented system – adds stability without compromising flexibility

- Fit System: Anatomical profile with ergonomic last – comfort and control for a wide range of foot types

- Sole: Materiis compound – optimal grip, comfort, and walkability on any terrain

- Ventilation: Full mesh construction – maximum airflow for all-day freshness

- Usage: Urban riding, commuting, and light adventure – built for comfort, protection, and versatility

With freshness mastered for every ride, the high-tenacity vented fabric with all-round reinforcements creates a fully ventilated, lightweight and durable structure. The elongated structure is anatomically shaped for protection, while the extended lacing system helps prevent slippage during an accident. The advanced shape fits more foot shapes, ensuring all day comfort, stability and control, while D3O protectors ensure safety without the constraints. Fortex technology in the sole provides an additional protection measure without impacting flexibility for all day comfort and wearability.