Sidi Crossfire 3 SRS
The Sidi Crossfire 3 SRS is the flagship off-road boot in Sidi's lineup, certified to CE EN 13634:2017 Level 2 and preferred by top MXGP and SX competitors worldwide. Its defining feature is SRS (Sole Replacement System) sole technology, allowing worn soles to be swapped in minutes with a screwdriver. The MXGP/SX engineered microfiber upper, four individually replaceable buckle straps, adjustable calf system, hyper extension block, replaceable shin plate, and replaceable metatarsus inserts make it one of the most serviceable and customizable MX boots available.
Protection: Level 2 certified in abrasion, impact cut, and transverse rigidity tests
Specifications
| Upper | MXGP/SX engineered microfiber |
|---|---|
| Closure | 4 micro-adjustable replaceable buckle straps + adjustable calf system |
| Shin Plate | Replaceable |
| Ankle | Anatomic heel cup |
| Sole | SRS sole (replaceable with a screwdriver) |
| Hyper Extension | Hyper Extension Block — Flex System |
| Metatarsus | Replaceable metatarsus inserts |
| CE Certification | EN 13634:2017 Level 2 |
- CE EN 13634:2017 Level 2 certified — highest MX boot protection classification
- MXGP and SX engineered microfiber upper built for extreme conditions
- SRS sole technology: replaced with just a screwdriver — no glue, no tools
- 4 micro-adjustable, individually replaceable buckle straps
- Adjustable calf system for a tailored fit over riding pants
- Hyper Extension Block — Flex System to prevent dangerous ankle hyperextension
- Replaceable shin plate for protection and personalization
- Replaceable metatarsus inserts and anatomic heel cup













