HOYUFEI Adults Bike Helmet for Men Women Youth - Safety Urban Style Leather Cover Baseball Cap Visor - Ideal for Mountain Road MTB Ebikes Bicycle Helmets(Black, Medium ) - Walmart.com
Collapsible bike helmet moonlights as a baseball cap
This Bike Helmet Looks like a Baseball Cap, is the Size of a Water Bottle | Digital Trends
This stylish hat doubles as a bike helmet | Mashable