View Size Chart


Troy Lee Designs SE3 Neptune Helmet


  • SNELL / DOT model 1500-1600 grams
  • Ultra lightweight machined cross-top titanium visor screws for durability and corrosion resistance
  • Visor features single point adjustability for custom height placement even with gloves on
  • Corrosion resistant titanium D-rings for superior strength and weight reduction
  • Removable mouthpiece and top scoop for color customization or damage replacement
  • SE3 helmet bag and 2 Vortex visors included


  • Removable, replaceable and washable comfort liner features moisture wicking Coolmax and Dri-Lex materials for a dryer/cooler fit
  • Liner is constructed of 3 different foam densities that conform to the rider’s head for a custom, tailored feel
  • Removable cheek pads with additional sizes available to fit a variety of head shapes
  • Open cell foam and 3-layer mesh optimizes airflow and comfort
  • Revamped rear neck pad adds support and increases helmet stability for a more secure fit


  • Hand laid pre-preg carbon / composite shell with Dupont™ Kevlar® reinforcement in high impact zones.
  • Dual-density EPS liner decreases impact forces to the head and absorbs greater energy levels in more common low threshold impacts
  • Inner shock pad system is paired with the dual-density EPS liner to help absorb smaller impacts, withstand multiple hits and add greater durability for the EPS liner
  • Internal polyurethane chin bar liner with side EPS and dual-density materials for extra frontal impact energy absorption
  • Breakaway nylon visor inserts to shear away during a crash to prevent helmet snagging


  • Aggressive top scoop and mouthpiece designed to channel more air through the helmet for added comfort
  • Integrated injection molded brow intake system to channel air up and over rider’s forehead
  • Multi-level internal ventilation system built into liner for increased airflow
  • 4 rear exhaust vents expel heat from inside the helmet
  • Stainless steel mesh grills on all ports to keep out debris, but keep airflow at a maximum
There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!
Product Style Item # Manufacturer Product # Availability
White / XS 1148634 109125101 Out of Stock:
White / SM 1148635 109125102 Out of Stock:
White / MD 1148636 109125103 Out of Stock:
White / LG 1148637 109125104 Out of Stock:
White / XL 1148638 109125105 Out of Stock:
White / 2XL 1148639 109125106 Out of Stock:
Yellow / XS 1148628 109125501 Out of Stock:
Yellow / SM 1148629 109125502 Out of Stock:
Yellow / MD 1148630 109125503 Out of Stock:
Yellow / LG 1148631 109125504 Out of Stock:
Yellow / XL 1148632 109125505 Out of Stock:
Yellow / 2XL 1148633 109125506 Out of Stock:
XS / Cyan 1148640 109125301 Out of Stock:
SM / Cyan 1148641 109125302 Out of Stock:
MD / Cyan 1148642 109125303 Out of Stock:
LG / Cyan 1148643 109125304 Out of Stock:
XL / Cyan 1148644 109125305 Out of Stock:
2XL / Cyan 1148645 109125306 Out of Stock: