The shoei x-spr pro diggia2 tc-1 helmet is part of the latest collection from shoei. Features: designed for high-speed performance riding, shoei once again demonstrate their commitment to professional motorcycle racing helmets. Every detail of the x-spr pro has been carefully designed, tested, and fine-tuned to improve the already outstanding performance of the x-spirit iii. The new design is fully focused on high-performance riding with the aeroform shape providing aerodynamic performance at speeds in excess of 350km h. Safety: shock-absorbent shell in aim modular eps liner system with multiple densities multi-composite & high-performance fibre layers provide a high strength, light weight, and optimal elasticity. Mist-retardant cwr-f2r pinlockâ visor 2d shape for easy application of tear-offs double d-ring e.Q.R.S. Security system emergency quick release system ece 22 06 fim homologation ventilation: high performance ventilation innovative cheek vent system, active cooling even in the lower part of the helmet. 7 Closable air inlets & 6 air outlets aerodynamic: sophisticated aerodynamic system integrated spoiler rear stabiliser with flaps to provide stability during breaking vortex generators lower air spoiler 3% reduction of drag and lift compared to x-spirit 3 . Comfort: 4 different outer shell sizes xs-s m l xl-xxl modular centre pad cheek pads in different thicknesses 31, 35, 39, 43 mm all pads detachable, washable view all shoei. View all helmets.