Troy Lee Designs Downhill D4 Composite Full Face Bicycle Helmet MIPS EPP EPS
Troy Lee Designs D4 Full-Face Bike Helmet – Aerospace Composite Shell, MIPS, VentilatedThe Troy Lee Designs D4 Helmet continues its legacy as one of the remarkably iconic full-face helmets in MTB, BMX, and downhill racing. Built with an aerospace-grade composite shell, this version delivers the same safety and comfort as its premium carbon siblings at a more accessible price. Featuring MIPS C2 brain protection, a superior anatomical fit, and 22 total vents (10 front, 5 top, 7 rear), it keeps you cool and protected on every ride. D-ring fasteners ensure a secure fit, and at just 2lb 5oz (1050g), it's built for performance without bulk. Backed by a 3-year manufacturer warranty, the D4 is the helmet of choice for champions and trail legends alike.