MET Trenta 3K Carbon Rainbow Edition Road Helmet Cycling's most exclusive graphic The MET Trenta 3K Carbon Rainbow Edition wears the same colors that Tadej Pogaar earned as World Champion, on the same race-proven platform MET developed in direct collaboration with UAE Team Emirates. Virginia Tech 5 Star rated, with a 40% improvement in linear and rotational impact tests and 16% greater ventilation than the previous generation, the Trenta 3K Carbon is the helmet worn at the front of the world's biggest races. Features3K Carbon Airframe, an integrated carbon wing structure for superior performance Virginia Tech 5 Star rating, ranked among the top 5 in the most recognized independent safety test Mips Air Node system, an ultra-lightweight rotational protection layer that redirects rotational motion for advanced impact protection24 vents with optimized internal channeling for efficient, consistent airflow Integrated sunglasses ports for secure eyewear storage Reduced head contact for maximum ventilation throughout the ride Compact volume, fully wrapped polycarbonate shell for a low-profile, optimized fit Safe-T Orbital fit system with 360deg, vertical, and occipital adjustment for a secure, personalized fit Air Lite straps with adjustable dividers for refined, even-pressure comfort Helmet soft bag included SPECIFICATIONSShell3K Airframe carbon wing structure with fully wrapped polycarbonate shell Rotational Protection Mips Air Node Ventilation24 vents with optimized internal channeling Fit System Safe-T Orbital (360deg, vertical, and occipital adjustment)Safety Rating Virginia Tech 5 Star Certifications CEWeight260g (size M)Includes Helmet soft bag Intended Use Road, Road Race Sizing Size Small Medium Large Head Circumference (cm)52 - 56cm56 - 58cm58 - 61cm Weight (g)250g260g290g | Met | Trenta 3K Carbon Helmet | Limited Edition Men's | Size Medium In Rainbow