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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
