Shark Evoline Series 2 ST Helmet The Shark Evoline ST features a new EPS liner design shaped to fit speakers and battery for the Sharktooth Bluetooth device. Sharktooth Bluetooth System Compatible Upgraded Face Shield Better sealing against rain Better sealing against air Improved Scratch Resistance Improved Ratchet System (9 positions) Upgraded Sun Visor Lengthened to address issues where sun visor did not come down far enough Neck / Side covers gained 1cm in width for noise reduction and better protection against weather New side markings New Series 2 specific logo Evoline 2 ST Features Shell made from injected thermoplastic resin. Multi-component internal shock absorber with different densities. Air flow circulation through integrated channels. Centrally controlled interior anti-scratch sun visor. External high safety toric anti-scratch / demister visor. External visor, easy to dismantle without tools. Can be opened with one hand. Stainless steel closing system. Inset vents. Hermetic watertight edging. Anti-backwash deflector. Meryl interior, can be fully dismantled, washable and adjustable. Double-D ring Racing chin strap. Meets or exceeds D.O.T. and ECE 22-05 standards The only helmet carrying a double full-face and jet ECE22-05 homologation 5 year warranty Note the only difference between the Absolute, Wayer, and Solid color Evoline helmets is the color scheme