With a durable yet lightweight main shell

A3 leaves nothing to chance by setting the modern standard in protection and fit as demanded by Troy Lee Designs athletes

secure closure

The all-new SE5 is tested & developed with the help of our athletes

The Troy Lee Designs SE Pro Air Gear is designed to allow optimum airflow and pull heat away from your body

Flowline SE Helmet Phantom White FLOWLINE LONG SLEEVE JERSEY With a durable yet lightweightMips equipped and eMTB rated, Flowline SE sets the standard for safety within a modern, minimalist design. With 14 vents, an anti microbial liner, and a Fidlock magnetic buckle system, Flowline SE is the workhorse of trail helmets.