Impressive aero and cooling performance makes the Trenta a good all-rounder
An aero helmet with decent ventilation and innovative safety design
The aero lid of Dimension Data and UAE Team Emirates impresses with its weight, but cooling could be better
Lightweight and well-ventilated lid ideal for hot weather riding
It may be a five years old, but the Kask Mojito is still one of our all-round favourite helmets
Look out for Lazer's first dedicated aero lid on the head of Andre Greipel this year
A MIPS-equipped helmet which borrows heavily from Giro's top-level lid - but at half the price
MIPS-equipped all-rounder from Bell, ideal for long days in the saddle
Team Sky's helmet of choice strikes the perfect balance between aerodynamics and comfort
Excellent top-end lid with interesting - but not 'game-changing' - removable visor
Helmet combines Italian flair, impressive performance and integrated LEDs
Light, comfortable and stylish, but padding ineffective in high temperatures