Adults

Safety & Style. Protection With Panache. - Built-in rear safety light - In-mold construction - CPSC certified - Easily adjustable straps - Removable visor - Easy-to-adjust fit system - Integrated bug net - Vent count: 12 - Weight: 300 grams - Sizes: S/M 54-58cm, L/XL 58-62cm

The Serfas Kilowatt is E-Bike certified and features adjustable venting which be can be opened or closed depending on how much air flow you want, also a built-in rear LED safety light for added visibility with additional reflective design accents, and an easy-to-adjust fit system. - Tested and Certified to NTA 8776 E-Bike Helmet Standards - Adjustable Top Vents (Slide Open/Close) - Built-In Rear Light - Rear-Facing Reflective Accents - Adjustable Straps - Easy-To-Adjust Fit System (Rear Knob) - Weight: 484 Grams - Vent Count: 8 - Sizes: S/M (54-58cm), L/XL (58-61cm)