SMK Helmets Sirius helmet bought online will ship in 2-3 working days after placing the order.
- External shell: aerodynamic, moulded in EIRT (Energy Impact Resistant Thermoplastic)
- Internal shell: moulded in differentiated density EPS
- Inner: breathable, hypoallergenic liners, fully removable and washable
- Visor: scratch-resistant with metal upper frame. Extra Wide Vision.
- Internal scratch-resistant sun shield
- Retention system: equipped with a practical quick release buckle for micro metric adjustment.
- Homologation: ECE 22-05
SMK Helmets Size Chart:
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