When the coldest conditions of deep winter arrive, the Aviator Windproof Deep Winter Skull Cap is the essential cycling accessory you need to prevent the loss of valuable heat through your head. It is made from highly insulating fleece with a windproof front.

It may be a myth that you lose more heat from your head than anywhere else, but the proportionate heat loss and discomfort of an exposed head and ears on a winter bike ride could see you heading home much earlier than planned. The Aviator will keep your head and ears warm. Thanks to its lightweight construction and low-profile seams, it sits comfortably underneath your cycling helmet.

The exceptional warmth-to-weight ratio makes it the best possible insulation for your head in cold winter conditions — it is lightweight and low bulk, but exceptionally good at insulating you against the cold. Then, when you do put in an effort and break a sweat, the highly breathable moisture wicking fabric will ensure there isn’t a build-up of moisture within.

With a contoured low cut back and ears for added coverage and insulation against the cold, this winter cycling skull cap is the ultimate deep winter companion.