Elite Comfort Seat Motorcycle Memory Foam Inserts at Sussexmotorcycles.com, better than gel pads for rider comfort.
Universal Motorcycle Race Seat Pad for Track Use 16mm Thick High Density Foam | eBay
Motorcycle Seat Retrofitting with Impact-Absorbing Foam | Dynamic Systems, Inc.
Universal Motorcycle Race Seat Pad for Track Use 16mm Thick High Density Foam | eBay
Oldbones Universal Motorcycle Race Foam Seat Pad for Track Use High Density Adhesive edge polishing Foam 20MM Per-cut : Amazon.co.uk: Automotive
Tomanbery Motorcycle Seat High Density Foam Black Motorbike Accessory Synthetic Leather Seats Cycling Cushion Synthetic Leather For Motorcycle : Amazon.co.uk: Automotive
How To Customize a Motorcycle Seat | Motorcycle Cruiser
Oldbones Universal Motorcycle Race Foam Seat Pad for Track Use High Density Adhesive Bump Pad Foam 30MM Per-cut : Amazon.co.uk: Automotive
Super Lux High Density Foam | Foam Factory, Inc.
Foam for Motorcycle Seat | Custom Motorbike Seat Foam
Tomanbery Motorcycle Seat High Density Foam Black Motorbike Accessory Synthetic Leather Seats Cycling Cushion Synthetic Leather For Motorcycle : Amazon.co.uk: Automotive
Need some more dense seat foam the stuff I bought is just not gonna cut it, but I got my fender and tail light hooked up and looking right. : r/CafeRacers