<b>*****Size Chart*****</b><br><br> M (55-56 CM,21½" - 22" Inch)<br> L (57-58 CM,22¼" - 22¾" Inch)<br> XL (59-60 CM,23" - 23½" Inch)<br><br> <b>*****ILM Stealth Bluetooth Helmet*****</b><br><br> ✔ Listen to music via your Bluetooth compatible MP3 player. <br> ✔Listen to GPS voice commands. <br> ✔One touch control for call answering, rejecting, and redialing. <br> ✔Incoming phone call overrides intercom, music, and navigation audio. <br> ✔Lithium-Polymer battery with a power charger. <br> ✔Built-in anti-noise microphone. Weather resistant.<br><br> It comes with a groovy outlook and comes in a sturdy, quality construction. It is packed with an integrated bluetooth which connects easily with your phone and lets you take incoming or outgoing calls on the go.<br><br> At the same time, the bluetooth connects quickly to any MP3 player and lets you listen music through the high-quality twin speakers mounted on both sides of the helmet’s interior. The bluetooth of this helmet also supports an intercom between two riders over a distance of up to 1000 feet.<br><br> Once charged, the helmet easily lasts for up to 8 hours of continuous talk time or 110 hours on standby. A little on the pricier side, the helmet is perfectly suited for someone who is looking for a bluetooth helmet with stylish looks.<br><br> <b> HOW TO STOP YOUR VISOR FOGGING UP</b><br><br> <b>1. Open Your Visor</b><br> Pretty obvious, but opening your visor means exhaled air doesn’t hit the visor and the increased ventilation forces it away.<br> <b>2. Increase Ventilation</b><br> Open all your vents(chin & top), especially those around chin to help blow exhaled air away from the visor. <br> <b>3. Use Anti-Fog Visor</b><br> Get Extra Ionized Anti-Fog Visor Please Search for B06XJV59QB in Amazon search bar.