Meets high safety standards for urban cyclists

reducing vibration and enhancing rider focus

the K4900 is also available in silver or gray

A buckle and strap system designed to facilitate safe helmet removal by emergency personnel

NOLAN N20-2 VISOR ZEFIRO 342 CASCO JET DE MOTO Textil Pantalones Meets high safety standards forNolan N20 2 Zefiro Scope Details and Features Design and Construction It's a jet (open) helmet. The shell is made of Lexan polycarbonate , which offers strength and impact absorption. Certified under UN ECE 22 06 standard (in some versions). Visor and Sun Protection It features an ultra wide, scratch resistant screen . It features an internal sun visor (VPS) with UV protection (up to 400 nm) and an adjustable extension in 3 positions to fit the nose.