A cold head and ears can quickly ruin a winter ride, but fitting a warm hat under a helmet can be uncomfortable. This is where a skull cap such as this becomes useful. Just be aware, that if you choose to wear it without a helmet you will look like a cosmonaut.

Venting on the ear, helps regulate temperature, but also makes hearing easier

Having worn this cap on many winter rides we can confirm it excellent at keeping you warm and is ideal for temperatures ranging from 0ºC to 12ºC. We like the Mavic Winter Underhelmet cap, it fitted under our helmets really well and considering a good thermal cap will last years, it isn’t too expensive either.

 >>> For a buyers guide to winter tyres, click here.

Our only gripe was the one size fits all sizing. Our testers who normally wear size ‘medium’ helmets found it a little on the small side, with not all of their ears covered. If you have a smaller head than a male ‘medium’ this will probably be the ideal fit.

For more details visit the Mavic website.