Retrospec Rowan Bike Helmet

Rowan has you covered when in all types of terrain. Moisture-wicking interior pads and 14 vents keep things cool, and the easily adjustable straps and ErgoKnob easy adjustment dial ensure a perfect fit every time you ride. One Size: 54-61cm - 21.25"-24" inches Features: 14 vents for optimal air flow Fully formed PC Shell - Protective and lightweight EPS foam lining to absorb contact energy CPSC and EN lab safety tested  CPSC 16 CFR, Part 1203 + EN1078:2012+A1:2012 ErgoKnob dial and straps for easy fitment adjustment Visor is adjustable and completely removeable