**Shark Helmet Sizing** SIZE | HEAD (CM) ---|--- XS | 53-54 SM | 55-56 MD | 57-58 LG | 59-60 XL | 61-62 2XL(KS) | 63-64 **Shark Pulse Division** Shark are well known for their versatile and performance driven designs. The Spartan is the result of such dedication. Shark are consistently tweaking helmet design in the pursuit of safety and reliability, and their focus on innovation and cutting edge technology to create a unique lid makes them the choice of some of the greatest racers in the world. **Features;** * Composite fibre construction * SHARK skin peak side fastenings: passove reduction of aeordynamic noise * Integrated sun visor * Autoseal system: flattens the visoronto the helmet, offers better soundproofing and seals the helmet (against water and cold) * Pinlock ready clear visor * Double back spoiler with incorporated air extractors: optimisation of the aerodynamic trail and internal cooling * 2 shell sizes * Shark Easy Fit technology for those that wear glasses, never struggle to get your glasses in again! * Fully removable and washable lining * Sharktooth ready: Can be equipped with Shark's Bluetooth communication system * Shark 5 year manufacturing warranty * Weight: 1390g (+/-50g size M) *[XS]: Extra Small *[SM]: Small *[MD]: Medium *[LG]: Large *[XL]: Extra Large