Sparco Prime+ Fire Resistant Racing Underpants - FIA 8856-2018
Sparco Prime+ Fire Resistant Racing Underpants - FIA 8856-2018
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Sparco's professional level Prime+ line of racing underwear is specifically designed to meet the latest FIA 8856-2018 rating. Using an F1 derived double-weave construction, the underpants features ultra breathable fire retardant fabrics. Additional breathable inserts have been added to the inner thigh for increased cooling. Finally, extra thin ankle cuffs reduce bulk underneath the suit for a more natural feel.

Size Guide
| Size | Height (in) | Weight (lb) | Chest (in) | Waist (in) | Hips (in) |
|---|---|---|---|---|---|
| Small | 63–67 | 120–140 | 36–38 | 30–31 | 36–38 |
| Medium | 67–71 | 140–165 | 39–41 | 32–34 | 39–41 |
| Large | 69–73 | 160–190 | 42–44 | 36–38 | 42–44 |
| X-Large | 72–75 | 185–225 | 45–46 | 40–42 | 45–47 |
| XX-Large | 74–78 | 215–250 | 47–49 | 44–46 | 48–49 |
| 3X-Large | 77–79 | 250–270 | 52 | 48 | 51 |
Sparco adult sizing by body measurement. If you are between sizes, size up to allow for layering under a suit.
Sizing is from the manufacturer and varies between brands. Measure yourself and compare against the table rather than ordering your usual street size.