Quick facts about the SOL colloid technology© ™ system  custom moulded removable Seat Cushion:

  • Resin bonded colloid technology© ™ system for motorsport invented by Pro-Seat in 1990.
  • Independently tested by GM in 1996 and MIRA in 1997.
  • Superior strength, durability, insulation & energy absorption
  • Reduces fatigue, increases impact resistance & improves performance.
  • 27 years experience of custom made bespoke seats
  • The most essential, cost effective aftermarket part you will ever buy and all this for  less than the cost of a set of tyres.


The Pro-Seat materials are unique to our products, here is some further information:

  • Our unique materials have been independently tested at MIRA. The test results are available at our MIRA test data page. 
  • Our materials were tested in 1996 by General Motors in the USA to determine their suitability for use in USA based Motorsport Championships, the results were unsurprisingly the same as the MIRA test results.
  • We use a unique blend of beads and resins to produce a durable colloid technology© ™ material which exhibits incredible properties ideal for motorsport and other extreme applications where strength, durability, insulation and energy absorption are essential. No other  material available comes close to our performance figures.
  • The seat cushions we produce for you, are unique to you and give unparalleled support, comfort, insulation, security and protection.
  • The seat works by a simple but essential fact; by making close accurate contact with the body of the driver/athlete, the weight of the body is distributed over such a large surface area that the load is spread evenly. The space between the driver and the chassis is filled and remains so with no shrinkage.
  • Any loading on the body, such as an impact from a crash is absorbed first by the load spreading and then by the energy absorbing properties of our unique Pro-Seat materials, the close fit with no gaps also minimizes inertia.


Interested in a seat? Contact us for a quote.

The Pro-Seat cushion in action:


  • The highest g load recorded in an impact in motorsport, was at the Miami Homestead Oval in 1997 when Mark Blundells’ Pac-West Reynard Mercedes hit the turn one wall backwards, at approximately 260m.p.h, resulting in the onboard data recorders registering the maximum 90g, the actual hit was possibly higher but that was the upper limit of the equipment.
  • Fortunately Mark was using a Pro-Seat custom moulded cushion and despite receiving a bruised heart, he had no outward physical injuries. The seat was subsequently used for the remainder of the season; however, the car was rendered unusable and was scrapped.
  • Mark Blundell Pac-West Pro-Seat fitting Homestead 1997

    Mark Blundell Pac-West Pro-Seat fitting Homestead 1997

    Blundell Homestead crash

    Mark Blundell 90g+ impact in turn 1 Homestead 1997 and yes that is the Turbo on the track!!!!!!

    Press and Champcar Quotes at the time:

  • HOMESTEAD, FLA. HOMESTEAD, Fla. (AP) _ Mark Blundell was in stable condition at a Miami hospital after crashing at nearly 200 mph during practice runs Friday at Indy-car spring training.“His vital signs are OK. He’s still conscious, and it seems like he’ll be fine,” spokeswoman Maria Gonzalez said shortly after Blundell was admitted to Jackson Memorial Hospital.The 31-year-old British driver was being X-rayed and was undergoing other tests, the hospital said. Blundell was airlifted to the hospital after crashing his Reynard-Mercedes against the outside wall between the first and second turns at the Metro-Dade Homestead Motorsports Complex.Blundell was “awake and alert” when he was flown to the hospital from the track, according to track spokesman Kevin Courtney. Witnesses said there was originally concern Blundell might have head or back injuries, but that was not the case, as the Indycar driver had use of his extremities after the crash.Blundell, who lives in Scottsdale, Ariz., crashed on the second day of the three-day spring training. Indy-car drivers were making practice runs in preparation for the 1997 season, which opens with the Grand Prix of Miami at the Homestead track on March 2.While other Indy-car drivers were on the track running laps at the time of the crash, no other cars were involved, and no one else was injured.Despite the crash, Blundell still managed to turn in the fourth-fastest time of the day, completing a lap in 28.633 seconds at an average speed of 190.757 mph.Blundell finished 16th in the points race last year.

    01.02.97 – INDYCAR

    Mark Blundell was back at the Homestead Motorsports Complex on Saturday, a day after crashing at nearly 200mph in the CART series spring training. “He’s fine, he’s walking around the track,” a circuit spokesman said. The official statement read: “Mark Blundell has been released from Jackson Memorial Hospital and returned to the track over the lunch hour.” Blundell brushed the wall coming out of turn one of the Homestead oval and was entering turn two

    The seat performed its function even though Blundell’s grip on the steering wheel bent it and his knees bent the steering column. Mark was taken in for overnight observation, but was back at the track the next day, though a little sore.