full shield motorcycle helmet Daytona Viper Cool Grey DOT Face No Fog Face Sh – Ryde-Motorcycle With 2 Different Shell Sizes TRIANGLE Full Face Dual Visor

Like I said, personal item measurements differ between airlines, but the ones I focused on for this article were within the range of 18 x 14 x 8in

- Virginia Tech 5-Star helmet rating - Features Mips Integra Split Dual Density Protection System - BOA Fit System for micro-adjustability - FIDLOCK SNAP helmet buckle provides quick and secure entry and exit while wearing gloves - Removable, washable Ionic+ liner is antimicrobial and manages odor while wicking moisture away from the head - Optimized venting with channeled, in-molded EPS provides efficient cooling - One-hand-adjustable visor is compatible with sunglasses and goggles - Sunglass-specific storage solution - Removable under visor GoPro mount included - Meets e-bike standard NTA-8776 $314.95 - BOA fit system for class-leading fit and security - MIPS added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain - 3-position adjustable visor compatible with goggles - Removable under visor GoPro mount included - Big Bore front vents include eyewear storage recess - Increased ventilation and decreased surface contact area improve cooling - Ionic+ anti-microbial liner and cheek pads to optimize fit - Fidlock magnetic closure - Meets the NTA-8776 E-bike helmet certification standard $314.95 Maximum coverage open-face mountain bike helmet

Or it could already have been in a crash

Of course, there are always more choices you can make