- The MIPS Brain Protection System in the D4 means the Troy Lee helmet delivers ultimate protection. MIPS is a layer in the helmet that allows the head to slide relative to the helmet. This reduces any rotational movement that would affect the brain.
- A collarbone suspension system improves safety by directing pressure away from the collarbone in case of any tumbles.
- As a result, The D4 has the most protective energy system Troy Lee Designs has ever given its riders. The new full face mtb helmet is certified to CPSC 1203, CE EN1078, ASTM F1952 (DH), and ASTM 2032 (BMX) safety standards.
- Top protection, badass looks, and a pedigree that no one can touch. The D4 is set to continue Troy Lee Design’s legacy for years to come.
- TeXtreme® Spread tow carbon fibre shell
- MIPS Brain Protection System
- Ventilation channels and headliner promote airflow
- Lightweight titanium D-rings and hardware
- Collarbone suspension system
- Break-away visor screws
- Quick release XT2 3D cheek pads and X-static/XT2 washable liner
- Includes TLD helmet bag
- 1000g
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