Whether its the race bell or the alarm clock, the Prime 2.0s modern design and ample ventilation will motivate you pull it on and pedal off. Weve added our QuadCore low density layer to help mitigate non-linear and rotational impacts.TechnologyQuad Core Low Density Layer gives soft gel padding for rotational and low-g impact protection. Composite fusion that has in-molding technology which fuses the shell and EPS foam line. This gives better impact energy management, increased dynamic range smaller, lighter and stronger.Key Features Washable liner, Anti-microbial moisture wicking pads Bug liner Locking sliders Vista fit system 21 vents Weight: 270g PC shell & under wrap EPS foam Certified: EN 1078 Sizes: S/M (52-58cm) L/XL (58-62cm) Available colourways: Gloss Black, Gloss White, Gloss Blue/White, Gloss Multi, Gloss Red/White