Made For The Daily Commute And Urban E-Bike Rides, The Smith Dispatch Bike Helmet Sets You Up For Comfort And Increased Visibility As You Negotiate Traffic. The Dispatch Is E-Bike Certified And Pairs Zonal Koroyd® With Mips® For Enhanced Impact Protection. Our Vaporfit® System Lets You Fine-Tune The Fit With The Turn Of Dial. An Integrated And Rechargeable Rear Led Light Boosts Visibility Day And Night. A Fidlock Strap Buckle Makes For Easy One-Hand Buckle Operation As You Manage Your Pack Or Panniers With The Other Hand.Features:Protection:- Mips® Brain Protection System Reduces Rotational Forces Caused By Angled Impacts To The Head- Zonal Koroyd® Coverage For Lightweight, Energy-Absorbing And Ventilated Impact Protection.- Removable And Rechargeable Integrated Rear Light With Red Led´s- Nta-8776, Cpsc, Ce En 1078 And As/Nzs263 CertifiedFit / Integration:- Vaporfit™ Dial Adjustment System Offers 270-Degree Fit Adjustment With The Turn Of A Dial- Fidlock® Strap Buckle Offers Easy One-Hand Operation- Airevac™ Ventilation System Integrates With Smith Eyewear For Fog-Free LensesFeatures:- 8 Fixed Vents For Consistent Airflow- Ionic+™ Antimicrobial Lining Offers Sweat-Activated Odor Control- Fixed Microbrim Visor- Lightweight, Low-Bulk Single Layer WebbingSpecifications:- Weight: (Size M, Mips®): 16oz / 453g