There are many half-helmets out there that advertise "lightest, thinnest".To me, "lightest" is not a show-stopper.I've seen "carbon fiber" or "carbon kevlar" versions at about 25oz, while this one, according to Southwest Research Institute who did the DOT test on it in 2007, reports this helmet at 694 grams, which is 24.48oz.Even so, what is 5 oz either way, when carbon fiber costs three times as much?
The driving functional aspect of these designs is to minimize the wind buffeting effect, and the tendency for the helmet to get blown back on the head.The market appeal is also aimed at reducing the "mushroom-head" look, but that mushroom overhang is also what catches the wind and causes problems for most 1/2 helmet designs.
The helmet I have is a Medium, but their are 4 available shell sizes for 8 fitments.Medium and Large use the same outer shell size.Even with the smaller of the two, I am not experiencing the parachute effect with the helmet at speeds up to 80MPH so far.The liner is comfortable, but the most important feature is adjustable y-straps:
A big problem with most half helmets is that they sew the y-straps in place where they come together at the bottom, usually at a point directly below the ear.The Daytona Helmets' adjustable design allows moving the chin strap forward so that it is actually under the chin and not pulling back against the throat.A strap that can only pull down from a point that is at the middle of the side of the head will allow the helmet to rotate to the rear of the head.Adjusting the strap forward so that the front portion of the y-straps are coming nearly straight down to the chin strap applies more downward retention force to the front of the helmet, so the helmet cannot slide back and rotate to the rear.This is a more natural and comfortable position for the strap under the chin and feels very secure.
I still find it very odd that football, hockey and even combat helmets use a chin cup, but motorcycle helmets are usually designed to pull back against the throat.
The thin liner design that allows for a smaller, closer-fitting outer shell is really the critical design factor, in terms of maintaining the required standard of safety.In the case of this helmet, it has actually been tested to pass FMVSS 218. A number of other manufacturers who make similar "DOT" helmets have actually failed testing after having been on the market for over two years.
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Daytona Helmets Skull Cap Without Visor Dull Black DOT Approved Motorcycle Helmet - MediumProduct Description: Daytona Helmets Skull Cap Without Visor Dull Black
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Great helmet at a great price.It has good ventilation and a good fit.
