Two Shells: XS-S-M & L-XL-2XL External shell: Aerodynamic – EIRT (Energy Impact Resistant Thermoplastic) Homologation: ECE 22-05 (Each helmet is accompanied with a genuine copy of a certificate by the UNITED KINGDOM Vehicle Authority (E11). Multiple Density EPS Quick Release Visor Mechanism Embedded speaker pockets for communication systems. Proudly Made in India Inner: Breathable, hypoallergenic liners – Fully removable and washable. – Resil coated comfort liner. – Antistatic Moisture Controlled Fabric Breath Deflector Included Chin Curtain Included Weight: 1450 grams approximately Retention system: Equipped with a practical quick release buckle for micrometric adjustment. Air Ventilation: Chin Air Vents – Channeled Exhausts – Hot Air Rear Exhausts – Top Air Vents Visor: Scratch-resistant – Wide Vision – UV Resistant – Pinlock Ready SMK Stellar Full Face Helmets will come with Pinlock Systems Original P30 Anti Fog Clear Lens Included.