SE5 Polycarbonate Helmet With MIPS - Stand. The Troy Lee Designs SE5 Polycarbonate helmet combines advanced safety, lightweight comfort, and enhanced strength with improved impact resistance. It features a visor and shell with an integrated chin bar that is lightweight and ergonomically shaped, made from precision-molded LG Chemical polycarbonate for increased durability. Equipped with a dual-density EPS impact liner and the Mips® Integra TX anti-rotational system integrated into the cap lining, it offers enhanced comfort and optimal safety. Superior ventilation is maintained through 13 intake and five exhaust vents for maximum airflow. Additional features include Cardo communication compatibility (Cardo system sold separately), removable and washable linings, and emergency-release cheek pads. The SE5 is engineered for comfort, performance, and durability at a lightweight 1380 grams. Features: