The Carbon D4 is the pinnacle of full-face MTB ... The meticulous details make it the most sought-after full-face helmet in ...

Constructed with a carbon and aramid fiber shell, it offers top-tier protective performance while being the lightest ...

Inevitably, they are a little heavier than their full-face counterparts like sports-touring helmets, due to extra hinges and fasteners, but most models are available in lightweight carbon nowadays ...