nucleus air 3 Spare parts - Magnetic closure system

- Magnetic closure system

- Fit System: Reinforced wrap fit – secure hold that adapts during motion

- Nylon plus carbon sole

durable rubber compound from SIDI’s motocross heritage

- Smooth heel cup for more adherence with the bike

nucleus air 3 Spare parts - Magnetic closure systemUpper: 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