With the help of the amazingly talented and creative people I’ve worked with over the past 35 years at Troy Lee Designs, my name has been placed on millions of products, designs and innovations.  The SE4 helmet is the greatest single thing we’ve ever done. - Troy Lee

22 High Flow Intakes

• Brow cover design channels air behind goggles directly to cool the forehead. 6 top intakes feed 10 internal ports for maximum cool air induction. 

6 Exhaust Ports

• Exhaust ports are fed by 9 internal passages to provide excellent dissipation of heat. 

Negative Pressure Ventilation

• Massive air flow ducts utilize negative pressure to draw hot air away from riders head and promote massive cooling, a significant advantage in warm riding conditions. 

Carbon Fiber Shell

• Technologically advanced Carbon
• composite shell construction 

Triple Density EPS

• Three separate EPS inserts with varying low and high speed impact-specific densities

Reinforced Chinbar

• Expanded polypropylene, or EPP, chin bar liner for multi-impact performance 

Durable Headliner

• Removable snap-in, washable Comfort Liner with Cool Max  and Dri-lex moisture wicking materials 

Ultra Light Weight

• AS/DOT/Snell model 1325 grams/2.9 lbs (+- 50 grams) ECE model 1100 grams/2.4 lbs (+-50 grams) 

Extras

• Comes with two matched visors, an additional set of visor hardware and a plush TLD SE4 helmet bag 

MIPS

• MIPS brain protection system, reduces rotational forces to the brain 

Maximum EPS

• 13% more than closest competitor in frontal headband area and 8% EPS increase to top and rear parietal zones 

Quick-Release Cheekpads

• Anatomical “3D” contoured cheek pads with emergency release system for EMS responders 

Safety Certifications

• Exceeds certifications for Snell M2015, DOT FMVSS 218, ECE 22.05 and AS/NZS 1698
• Medium helmet weighs 3 lbs. 1oz
• Double d-retention strap W/anti-flutter snap