The MET Trenta 3K Carbon is the most ventilated road helmet ever, developed for the toughest races and refined inside MET's proprietary wind tunnel. Already a winner at the Tour de France and the Giro d'Italia Women, the Trenta 3K Carbon is the ultimate expression of a modern road helmet. The air has changed, and so has the standard.Newest model delivers significant gains in safety, ventilation, and fit, and has been validated in elite level racing and independent testing3K Airframe internal structure creates an uninterrupted front to rear air channel for consistent airflow at high and low speeds40% improvement in linear and rotational impact performance compared to the previous version, earning a Virginia Tech 5 Star safety rating16% increase in ventilation, validated with thermal cell testing in the MET wind tunnel ( the Tube )24 external vents with optimized internal channeling to enhance cooling and comfortMips Air rotational protection system for added safety with minimal weightItem SpecificationsColorRainbowDefined ColorMulti-ColorGender/AgeAdultHelmet StyleRoadSizeLarge MET Helmets Trenta 3K Carbon Limited Edition Helmets EAN: 8015190302546