Product Description The perfect helmet for MTB. Sismic: lightweight but impact resistant helmet. Its design and peak have been designed to ensure the best protection during the activity. The great breathability is due to the 26 air intakes that allow you to keep your head always well ventilated. 26 VENTILATION HOLES IN MOULDING TECHNOLOGY - TOP, BACK AND CROWN ADJUSTMENT SYSTEM HORIZONTAL AND VERTICAL (3 STEPS) REMOVABLE AND WASHABLE PADDING ANTI-INSECT NETTING INSIDE MTB VISOR INCLUDED REFLECTIVE BACK TO INCREASE VISIBILITY BUCKLE WITH DOUBLE SIDE SNAP FABRIC POUCH WITH LOGO INCLUDED FINISHES: - MATT SIZES: M (53-58 cm), L (59-63 cm) WEIGHT: from 280 g (with visor) CERTIFICATIONS: CE EN 1078 Features Description: Helmets, Helmet Gender: Unisex Season: Spring, Summer, Fall, Winter Composition : Entire: 5% Nylon, 40% Polycarbonate, 55% Polistirene Espanso