Neck: Round cut neck with an extra stretchy hem for increased freedom of movement

Ventilation: 18 larger vents for excellent airflow

5 and 7mm keys aren't commonly found in the bicycle industry

5-Layer waterproof fabric in a fully seam-sealed construction

This lightweight nylon five panel will keep you cool on the hottest missions

TLD Flowline SE MIPS Helmet - M-L - Badge Olive - Indigo Needs Images Neck: Round cut neck withDETAILS Be sure to stay safe on your bike rides with the Flowline SE Helmet from Troy Lee Designs. This half shell helmet seamlessly combines safety, comfort and style. Enjoy reliable impact absorption and a breathable airflow system with the helmet's design. Plus, the easy to use magnetic buckle ensures a secure closure every time. Conquer the mountain bike trails, or city streets, with the Troy Lee Designs Flowline SE Helmet. SPECIFICATIONS 3 Way