Troy lee designs d3 composite nightfall blackthis d3 composite nightfall helmet from troy lee designs is a multi award winning full face helmet and an updated version of their class leading d2 helmet with functional improvements and next level safety devices quality is remarkabled3 is the only helmet to win redbull rampage gold wc dh series gold and olympic bmx gold the quality of this helmet is remarkable so much so that riders such as sam willoughby alise post brendan fairclough aaron