The troy lee d3 full face carbon mips helmet it wasn39t easy to improve upon the class leading design and function of our d2 helmet but we made it happen by integrating next level safety devices and making functional improvements we raised the bar for head protection in the genre with our d3 the only helmet to win olympic bmx gold world cup dh series gold and redbull rampage gold riders like brendan fairclough aaron gwin steve peat brandon semenuk cam zink luca shaw sam will