ASIN:B003EV6YPM See POC Cortex DH MIPS Helmet, White, Medium-Large Details
Product Description
While speed can be intoxicating, it's never a good idea to lose your head. POC doesn't want you losing your head, so they designed their helmets to be exceptionally safe, and stylish too. The POC Cortex DH helmet is the crown jewel of their work. POC designers started with the helmets they made for ski racing. Realizing that the demands of protection in that realm aren't the same as the demands of bike riding, they knew they had to do something different. To them, one of the biggest issues is ventilation; cyclists desperately need a cool head, while skiers do not. If the vents are too small, summertime riding can be oppressive. Still, ventilation cannot come at the cost of protection. Vents that are too large will expose the riders head to more risk than is appropriate, especially for freeriders and downhillers who face potential injury from branches and jagged rocks. POC also realized that single layer hard shells were sometimes culpable in whiplash injuries because they tend to bounce, and micro shells, while great at absorbing impacts, were not durable and offered little in the way of penetration protection. So they went in a new-direction that combined the best of both worlds -- double-overlapping shells. They use the acronym VDSAP for their system (Ventilated Double Shell Anti Penetration). From the outside in, POC's double layer Cortex DH Helmet has a lightweight carbon fiber outer shell. Then there's the Aramid ballistic Penetration Barrier, or APB in POC speak. It's a layer of penetration-resistant Aramid (basically Kevlar, the same as found in bullet proof vests) between the outer shell and the liner shell. Further in, a thin polycarbonate shell covers the EPP liner material. As a result of this trifecta of protection, the outer shell can be thinner than usual, which makes it both lighter and better at absorbing blunt impact energy.With the double-shell design, POC positions the vents so that the ones on the outside of the Cortex DH helmet draw air into c
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POC designs its helmets to be exceptionally safe and stylish, and the Cortex DH helmet is the crown jewel of their work. POC designers started with the helmets they made for ski racing, then tailored their function and features for the needs of motorbike riders. A lightweight, advanced carbon shell is wrapped over a patent-pending, aramid-reinforced in-mold liner, which has a thin shell of polycarbonate covering the multi-impact Super EPP core. The double overlapping shell design, patented VDSAP, allows a fully ventilated construction for maximum comfort without sacrificing penetration resistance or impact energy management. The helmet is also equipped with the patented MIPS system to reduce the rotational forces on the brain in the case of an oblique impact.
 A patent-pending in-mold liner keeps your head protected and cool, and the flip-down visor offers added protection. |
Features
- Carbon outer shell
- Thin PC inner shell
- Multi impact liner
- Aramid penetration barrier
- Ventilation through outer shell, inner shell, and liner
- Ear chambers designed for balance and hearing
- Chin bar size and distance from face is optimized for protection without sacrificing easy breathing
- MIPS system lets outer shell and liner move in relation to each other, reducing rotational forces to the brain
POC Motorsport Helmets
The concepts and innovations POC developed for ski helmets have been optimized to reach and exceed the safety demands of motorbike riders in the DH, dirt, free ride, and BMX disciplines. Typically, both traditional hard shell and in-mold helmets rely on Expanded Polystyrene (EPS) for shock absorption. EPS absorbs energy through plastic deformation, meaning it's deformed permanently upon impact. Therefore, a helmet liner made of EPS will not be good at absorbing repetitive shocks. Most of POC's bike helmets, on the other hand, use a liner of Expanded Polypropylene (EPP) instead of the traditional EPS. The difference between the materials is that EPP, unlike EPS, does not deform permanently on impact and is therefore suitable for absorbing repetitive shocks.
To overcome the challenge of providing penetration resistance, excellent ventilation, and impact protection properties -- all key features for motorbike riders -- POC developed a patented concept with double overlapping shells called VDSAP. POC has combined the benefits of traditional hard shell and in-mold helmets with patent-pending “Aramid ballistic penetration barrier,” or APB. By adding a layer of penetration-resistant aramid between the shell and the liner, shell thickness is reduced, minimizing weight and absorbing energy better. POC has also added patented MIPS technology, a system used to reduce rotational forces on the brain in the case of oblique impacts. This is achieved by allowing a controlled rotation of the shell relative to the liner.
Warranty
POC products include a limited one-year manufacturer's warranty against defects in materials and workmanship.
About POC
POC is a Swedish company dedicated to saving lives and minimizing the consequences of accidents for all "gravity sports" athletes by advancing the science of personal protection. The company has innovated a number of technical solutions, constructions, material combinations, and engineering approaches with patented solutions which increase the degree of protection.
From its corporate headquarters and research lab in Stockholm, POC employs engineers, material specialists, industrial and graphic designers, neurologists, and back specialists to be a leading voice in safety, medicine, health care, advanced product development, and testing. All POC products have been tested by leading athletes before going through further refining and product improvement. The end result is a line of lightweight, high performance gear that offers advanced protection against injury thanks to superior impact absorption and penetration resistance.
- Motorbike helmet with lightweight, advanced carbon shell wrapped over patent-pending, aramid-reinforced in-mold liner, which has thin shell of polycarbonate covering the multi-impact Super EPP core
- Double overlapping shell design, patented VDSAP, allows fully ventilated construction for maximum comfort without sacrificing penetration resistance or impact energy management
- Equipped with patented MIPS system to reduce rotational forces on brain in case of oblique impact; ear chambers designed for balance and hearing
- Chin bar size and distance from face is optimized for protection without sacrificing easy breathing
- Includes limited one-year manufacturer's warranty
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