Hjc Helmet Adwatt 1.0 Glossy White Size:Medium Elastic knitted bottom with silicone

Elastic knitted bottom with silicone grip

bi-stretch fit that wraps in stabilizing stretch

Intended use : Gravel

Easy and clean bleeding system

Hjc Helmet Adwatt 1.0 Glossy White Size:Medium Elastic knitted bottom with siliconeFeatures Ventury Dynamics: In order to achieve maximum ventilation, a technical adaptation of Bernoullis principle is applied to HJCs aerodynamically enhanced models. In motion, the rate of surface flow generally increases as it progresses towards the rear of the helmet. Through pressure differences, cool air from the frontal intake is extracted through the rear vent for internal heat dissipation, giving the cyclist optimum ventilation and perfect air