Here's what Onewheel has to say about the Helmet:
"Heads up! We collaborated with Triple 8 to bring you the first custom Onewheel helmet for all of your wheeling adventures. This Onewheel lid is outfitted with an ABS Outer Shell and EPS Liner Technology to create the safest and lightest experience possible. The Onewheel helmet also comes with an adjustable fit Dial System to ensure the perfect fit for any dome. Combine that with excellent air flow and devilish good looks and you've got a lid worth drooling over."
- XS/S 18.9 – 21.3 in (48 – 54 cm)
- S/M 21.7 – 22.8 in (55 – 58 cm)
- L/XL 23.2 – 24 in (59 – 61 cm)