OMP Suit OS10 BlackThe OS10 is a single layer race suit from OMP which is manufactured from a flame retardant Proban material and is ideal for track days or entry level Motorsport use which does not require an FIA approved suit, such as Autograss or Oval racing. Double back pleat and elasticated lumbar section increasing flexibility Elasticated Ankle and Wrist cuffs External hip pockets SFI 3. 2A 1 Approved.