This authentic Herman Miller® replacement seat pan will only fit Mirra Chair model numbers requiring a FIXED front seat indicated by an “F” in the 7th character space of the model number (i.e. MR112nFm or MR123aFm, etc.). Example Model numbers include ; MR111, MR112, MR113, MR121, MR122, MR123, MR131, MR132 & MR133. This Mirra chair seat pan has an Airweave™ seat suspension material that is lightweight and breathable and evenly distributes the user’s weight over the seat of the chair. This seat features a 17″ fixed seat depth.

We offer six Airweave™ color options

• Alpine
  
• Cappuccino
  
• Graphite