Come on lets go!Rox is ready to disco with sleek lines, low profile and a compact shapePerfect for trail, cross-country, sportive, commute and roadHandy little visor can help keep low sun and branches away from your eyesRollsys is Lazer's very own award winning fit system: simply control the size and the comfort by turning the wheel on the top of the helmetThe Rollsys system permits an accurate and progressive peripheral sizing adjustmentThe fit of the helmet will be symmetrically tightened up without any pressure points on the head, with a simple one-handed adjustmentBy taking away the retention system at the back the Rollsys system is also the perfect solution for people with a ponytailA small light can also be purchased separately to add you your Rollsys to increase your visibilityIn-mould (4-piece) construction24 cooling ventsWeight for a size medium 280 gSize: Uni-Size Adult 53-61 cm, X-Large 62-64 cm