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Nike Grind Crash Cushion

Using compacted Nike Grind rubber and EVA mixture to create spongy but tough bridge and highway crash cushions.

Photo of Kimathi Laibuta
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The Nike Grind Crash Cushion (or Impact Attenuator) is an accident prevention installation. It's main purpose is to serve as a high-speed impact reducer for vehicles and motorcycles in highways and race tracks.  


Depending on the use-case scenario, the Nike Grind Crash Cushions can have varying densities, for example, dense, rooted drums for highways and softer, spongy drums for kids race tracks.


Company / Organization Name (if applicable)

Scythe FX Studio

Website (if applicable)

Which Nike Grind materials will your idea utilize?

  • Rubber Outsoles
  • Rubber Flashings
  • Rubber Granulate
  • EVA Foam Injection Scraps
  • EVA Foam Flashings
  • EVA Foam Sheets & Blocks
  • EVA Foam Components
  • Laminated EVA Foam
  • Laminated PU Foam

How specifically will these materials be incorporated into your solution?

The product is an amalgam of compressed NIKE GRIND Rubber and EVA materials because of their impact absorption capabilities using either steel or cement inner-cores for structural integrity.

Please include a visual (can be either 2D or 3D) representation/prototype of your concept. (required)

What is the current stage of development of your idea?

  • Research & Early Testing

Describe your target market. Who will benefit from your product?

The target market is governments and companies concerned with road construction and safety.

How will you scale your idea? Please describe in detail your plan to scale your concept.

The application for the Nike Grind Crash Cushion would be worldwide since road safety is a global issue. The product could also be modified to fit most high-risk work areas, e.g., construction sites, to reduce accidents.

How is your idea innovative?

Once applicable, the Nike Grind Crash Cushion will be responsible for minimizing accidents globally. The product will also create an actual circular economy because of the sheers amounts of Nike Grind materials needed to create the Crash Cushions.

What inspired this idea?

As a rider in Nairobi, road safety is approached in a very nonchalant manner. Safety guard rails are installed only near rivers. Most accidents turn out to be fatal, specifically motorcycle accidents, so with the Nike Grind Crash Cushion.. more people would survive these inescapable incidents.

Tell us about yourself and your team. What is your background and experience?

I am Kimathi Laibuta and I work as an Art Director at ScytheFX Studio, I have teamed up with Circular Design Nairobi,, and I'm a member of the OpenIDEO Nairobi Chapter.

In what city are you located?


In what country are you located?


What is your legal / organizational structure? (if applicable)



Join the conversation:

Photo of wekesa zab

@Kimathi Laibuta  .. we have had recent cases on kenyan roads : .. I love plus it is something that KURA and the National highways authority can be interested in. A case last week : .. We also see potential for scale on bicycle and pedestrian guards in the city and road construction.

Photo of Dylan Bochsler

Hi Kimathi Laibuta ,

These "cushions" and the barrels you depict are usually designed in a way that they collapse when a vehichle hits them - slowing down the vehichle while causing as little damage as possible. For example: the barrels are usually filled with water! Thought this fact might help in your idea development.


Photo of Kimathi Laibuta

Hi Dylan Bochsler,

Thank you for pointing that out. I basically landed on the National Trench Safety website while looking into crash cushions and their production process and you're right. There's sand filled drums, water filled drums, roller types and many more. I believe due to the versatility of the Grind materials, different densities could be achieved to suit the use-case. I'd start with the Footwear Fiber Fluff stuffed in fabric for kiddie Go-kart tracks.

Photo of Lauren Ito

Hi Kimathi Laibuta ,

Great to see another concept of yours in the Challenge! I'm curious, how might you begin to prototype this concept? I also want to connect you to another individual focused on how this may be related to safety products Alexandra Ralevski . It may be helpful for you two to exchange feedback on one another's concepts!

Photo of Mark Kazemzadeh

Great idea! Could this also be used in other safety applications (i.e. landing sites for planes and helicopters, boat docks, safety helmets, etc.)?

Photo of Kimathi Laibuta

Thank you Mark Kazemzadeh . Yes, the idea can definitely be replicated for other safety applications. Your safety helmet idea is also a really good one.. I think you should prototype it.