These are the Pants portion of the SFI-20 two-piece suit. Simpson’s SFI-20 Drag Racing Pants are made with signature knit Nomex®. Suit shown with box quilt and comes standard with vertical quilt.
- Pants only
- Contrasting piping
- Includes SFI tag
- SFI 3.2A/20
- Vertical stitching
| Brand | Simpson |
| Product Line | Drag |
| SFI Rating | 3.2A/20 |
| Layers | 2 Layer |
| Piping | Yes |
| Piping Location | Waist |
| Piping Color | White |
| Box Quilting | Yes |
| Material | Nomex |
| Color | Black |
| Quantity | Each |
Simpson Racing Adult Suit Size Chart
| Size | Chest | Waist | Hip | Inseam | Neck | Height | Weight |
| S | 30-34 | 26-30 | 33-37 | 31 | 14.5 | 5’5″ to 5’7″ | 115-130 lbs |
| M | 34-38 | 30-34 | 37-41 | 32 | 15.5 | 5’7″ to 5’10” | 140-165 lbs |
| L | 38-42 | 34-38 | 41-45 | 33 | 16.5 | 5’10” to 6’2″ | 175-200 lbs |
| XL | 42-46 | 38-42 | 45-49 | 34 | 17.5 | 5’11” + | 210-225 lbs |
| 2XL | 46-50 | 42-46 | 49-53 | 35 | 18.5 | 5’11” + | 235-250 lbs |
Available Sizes:
- Medium, 4802233
- Large, 4802333
- XL, 4802433
- 2XL, 4802533










