I have this helmet, I believe it is a motorcycle helmet. I've heard that these aren't the best option for downhill longboarding, but full face longboarding helmets are insanely expensive. But wouldn't
TSG Pass Pro Full Face Helmet Matte Firwood Brown + Bonus Visor - CalStreets BoarderLabs
Longboard Fullface Helmets
Full Face Downhill Longboard Helmet Skateboard| Alibaba.com
TSG The Pass Pro Solid Color Matt Blue (+Bonus Visor) Full Face Longboard Helmet
TSG Pro Pass Fullface Helmet Matt Firwood | The Boardroom Downhill Limited