If you’re a roadie who enjoys the odd dalliance on to the trails, the Bell Sweep combines the best of both worlds with minimal compromise. Weighing 297g, it’s got 20 vents positioned for optimum airflow over your head. Fit is secured with Bell’s Twin Axis Gear fit system, adjusting circumferentially as well as horizontally, and the Sweep is topped off with an adjustable visor.

Price: £99.99, available from Madison

Best Price: £39.99, available from Evans Cycles.