Technical Specification: 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 genuine copy of 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 micro metric 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.