Pro-Tec Low Pro Helmet - Grey Pro-Tec Low Pro helmet is the lowest profile helmet in the Pro-Tec line, all whilst maintaining unrivalled protection Featuring a grey colouring with contrast detail prints 8 vent holes, giving ample breathability Comfortable EPS foam liner and compression-moulded interior padding Durable moulded ABS hardshell Newly designed luxurious liners to hug your head Adjustable clip under-chin fastener Safety standards: ASTM F1447 + ASTM F1492 Size: XS/S: 51-54cm | S/M: 53-57cm | L/XL: 57-60cm