grey smith helmet Optics Code MIPS - Matte TNF Fawn - Large - Used - A Loaded with Technologies Smith Vantage MIPS Helmet Matte

I'd say you can submerge it for as long as you want at depths no more than a human's height, a quick spin underwater will not do damage, but operating it underwater for any length of time could cause leaks

So theyre often a compromise: you look cool but you also forego some of the useful stuff you find in most modern helmets

Premium Features for Discerning Riders Quick-Release Buckle: 0.5-second secure fastening (tested to 50 lbs of force)

It has Hagane gearing technology, these gears are the best in the market, they are cold forged making them ultra-strong and continue to perform in peak condition for much longer compared to machine cut gearing