O'Neal Sierra II Mens Full-Face Slingshot Helmet

A good helmet for the price that I recommend to buy. It is a little noisy on highway, better remove the visor if you are in warm climate and use the goggle.Large fits perfectly and very comfortable with no stress. No headache or fatigue after 9 hrs ride over the mountains and no issue with breathing but will fog the visor.Don't think twice. Just buy it!I am writing this review because the helmet saved my melon in the accident with 50mph (80kmh). All I had in my mind at last moment was (I am dead) and just squeezed the brakes.I felt my forks bottomed and impact then felt impact on my head. When I woke up "Please take my helmet off. I can't breath" and I was in /out of conscious.Helmet was two weeks old but looks like been through many wars.Two punctured holes and all the marks reminded me of the impact that would easily busted my melon all over the pacement.Got both legs fractured and right wrist as well but survived. I was riding 1996 Yamaha WR200R heading to Lashio (Myanmar) from China.

The media could not be loaded.  The helmet it’s self it’s a good product..!! Light weight feels great and Comfortable fits just right I ordered extra large I’m glad I did. I have not taking this out for a ride but I’m sure it should not be a problem!! For this price you can’t beat it looks awesome too..

If there are any snowmobilers buying this helmet be aware that the visor will fog really really bad!! found out it isn't really geared for use in cold conditions and wish I would have known this before purchasing...however upon some research I was able to find that some added accessories can help defeat the fogging specifically a dual pane visor with a heating element, I had found that the Castle X Mode Dual Sport SV is essentially the same helmet just different branding like the difference between a Chevy and a GMC same truck different emblem, now you can just return the ONEAL helmet and get the Castle X or do what I did and get the replacement parts for the Castle X helmet ex: visor, breath box, chin curtain and it will help keep this ONEAL helmet from fogging hope this helps and if you don't believe me take a picture of both helmets and compare them you'll see what I mean

I got this helmet as I was trying to get into dual sport/adventure riding and didnt want to get something "too expensive" if it turned out not to be the hobby for me.Well, 15,000+ miles later I'm all in, but I've since upgraded to a Bell MX-9 MIPS helmet.I've done the majority of those 15K miles with this O'Neal helmet, and I've worn it in summer, winter, in driving rain, crossed rivers in it, done a few BDR trips with it, etc. and it has performed extremely well and kept me safe.This O'Neal is nice, but has drawbacks. The overall build quality is very good with some caveats. It checks all the boxes for sturdiness and safety, but there are little things here and there that werent as polished as they could be. The tabs on the padding dont really sit flush with the helmet lines, especially after you remove the padding to wash it the first time. It doesnt have a very good means to install a comm system like a SENA or Cardo. Not only does the helmet NOT have cut outs for speakers, but there isnt a very good place on the outside of the helmet to mount a SENA or Cardo unit. It was a real pain trying to find a spot on the helmet where my Sena 20s would fit because of the sharp angles and contours of the helmet around the sides and bottom portion. I did manage to install my SENA, but no cut outs for the speakers did diminish the felt comfort of the helmet, but not painful by any means.The helmet is also BIG. Surprisingly big, to the point that I look more like an astronaut than a rider. I have a smaller stature so that doesnt help the perception, but this helmet makes my head look 3 times bigger than it is, even though the helmet fits properly. The contours are nice and aerodynamic, which I'll touch on more below, but it still has a very large profile and the very angular, pointy contours and appearance make it seem a little "extra". The styling is less in line with the contemporary, streamlined ADV look you get with Bell, Arai, or Klim. The helmet style, with its sharp angles and points, makes me feel like I should get a Metal Mulisha t-shirt and a tattoo sleeve which doesnt really fit the "style" you see with a lot of ADV stuff right now. This is a pretty subjective point though and up to your own taste, I prefer the sleek look of a Bell or Arai personally, but for the price and safety features this helmet was my initial choice and its done the job very well.The wind guard that installs around your chin is garbage. I see there's a photo posted here by another buyer that highlights the same problem: the wind guard simply doesnt attach. There are hooked tabs on the wind guard, and there are slots in the helmet for it to "snap" in, problem is, they didnt finish the job. The wind guard doesnt really "snap" into the helmet like it should and the result is its sits in the helmet very well...until you get on your bike and ride away, at which point the vibrational, windy nature of riding a motorcycle makes it fall out of your helmet. I ultimately used some black gorilla tape to tape the wind guard into place. Now it stays put but, I shouldnt have to do that with a name brand like O'Neal....The other gripe I have with this helmet...its HEAVY. Very heavy, unusually heavy given what its made out of and the amount of padding it lacks vs other helmets. This helmet has styrofoam, then padding. My Bell MX-9 MIPS has styrofoam, the MIPS liner, a mesh liner/sweat guard, then padding, and it weighs only 3lbs. My girlfriends LS2 helmts have styrofoam, mesh liner/sweat guard, and paddding, and it weighs 3.5lbs. This helmet has styrofoam, and then padding. This helmet does not weigh 3.5 lbs, mine weighs around 4.5 lbs BEFORE I attach my Sena and GoPro. I ride all day, even during winter I will typically ride 7-10 hours on a Saturday, and after I get halfway through my day I can definitely feel this helmet's weight in my neck. Its not uncomfortable or painful, but I know its there.Pro's about this helmet are its a great entry level adventure helmet. Its a name brand, DOT and ECE rated helmet for less than $150, thats awesome! The peaked visor is really good, its a larger visor than many other brands and blocks the sun and debris much more effectively, I wish my Bell MX-9's visor had the coverage this one has.The helmet is also very quiet, almost as quiet as my old Shoei. My Bell and GF's LS2's by comparison are a lot louder. I didnt feel the need to wear earplugs with this helmet, I do with my Bell.Part of the reason for it being quiet is also the design: for a peaked helmet that's budget oriented, its extremely aerodynamic. This has to do with the helmet styling, all the weird angles, points, and lines make this helmet very aerodynamic, which helps make it quiet. The amount of canards, vents, angles, and other design aspects make the airflow around the helmet excellent. My Bell is aerodynamic because its small and compact, this helmet is aerodynamic because of its style and external features. On the highway, it actually feels lighter going 70mph because the canards and angles help with airflow. Even though the visor is huge, its shape allows it to cut through the air very well and I've never had an issue with wind catching the visor ans snapping my head around. The aerodynamics of this helmet are really, really good. Its also a little bit warmer in cold weather than other helmets I've used, which is also a plus.However, after almost a year, this helmet started to feel "loose". Maybe I really need a medium, but my head size is fit for a Large. it fit snug when I first received it, but never too snug. Now after a year and lots of riding, it feels a little too loose for comfort and shifts around a little too easily.Its still a great helmet and I will keep it around as a back up. If you have a big head and dont mind some of the caveats above, its a good choice for the features you get at this price range. Mine has taken a beating and hasnt given up yet.

Fits well. Little tight around the ears for a few rides. Only down side is how difficult it is to get the sun visor down. I purchased two of these. One for my wife and myself and both are equally impossible to get the visor down. When you do get it down you’re looking at the ground and almost cut your nose off because it comes out with so much force. Honestly I didn’t know it had that feature pre purchase. I am also unsure of how much I will use it anyway. Just buy the helmet. It looks, fits, and functions great.

I have a 1Storm helmet that I've used for a couple years... not a bad helmet, but I wanted something with both DOT and ECE certifications and a bit more comfort. I ordered a Bell MX-9 and this ONeal Sierra 2 Helmet. The large was too small for me, but the XL felt just right. I'm sure the MX-9 is a great helmet, but it didn't leave much room for glasses whereas the Sierra 2 had room for glasses or sunglasses. The lens quality had no distortion. I rode over 300 miles on a moto-camping trip in the Upper Peninsula MI with it and loved it!! Would recommend it to anyone!!

Really is worth the money. Nice chuncky and a snugg fit plus 2 visors. Makes me feel like a bobble head, but safety first.

It was a Christmas present

Über die Rezensionen hier, die v.a. das Thema Lärm und Verwirbelungen anprangern, muss ich mich ein bisschen wundern. Es ist nun mal ein Semi-Cross-Helm für sehr überschaubares Geld.Verwirbelungen hängen von der Kombination Helm + Körperbau + Motorradfront ab, die Lautstärke bis zu einem gewissen Grad vom Preis.Ich habe einen ganz klassischen Integralhelm für den großen Urlaub mit der GS, einen offenen Cross-Helm zum Wald-Umgraben mit der KTM EXC und für alles dazwischen (z.B. die Feierabend-Tour oder einen Wochenend-Ausflug auf den slowenischen TET) eine Husqvarna 701. Dafür nutze ich diesen Helm und muss sagen: passt soweit alles. Helm sitzt (was ein sehr individuelles Ding ist), nix klappert, alles funktioniert, Verwirbelungen habe ich gar keine, die 701 hat aber auch keine Verkleidung vorne. D.h. der Wind kommt auf gerader Linie bei mir an.Natürlich geht's immer ein wenig besser, z.B. ist die Demontage des Visiers etwas mühsam und eine Verstellung des Schirms wäre gut. Daher 1 Stern Abzug. Aber für das Geld echt ein fairer Deal. Helm + Pinlock + Sonnenblende für ca. 150 EUR, da kann man nicht meckern.Und eine Anmerkung: früher hatte der Helm scheinbar einen Doppel-D-Verschluss. Ich habe meinen 2019 mit Ratschenverschluss bekommen.

This helmet s the dog’s bollocks :-)

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