The Sidi Algor Winter Mountain Bike Boots are built for riders who take on cold, wet, and unpredictable winter conditions. Combining Sidi’s signature durability with insulated construction, weatherproof materials, and secure Tecno-3 closures, the Algor delivers reliable warmth, stability, and power transfer for winter trail, gravel, and commuting rides.
Key Features
- Weather-resistant microfiber upper: Protects against wind, moisture, and winter elements while maintaining durability.
- Insulated lining: Helps retain warmth during cold-weather rides without adding bulk.
- Tecno-3 Dial System: Provides a secure, micro-adjustable fit—even when wearing winter gloves.
- High cuff with internal gaiter: Blocks out rain, snow, and cold drafts for improved comfort.
- Reinforced heel and toe areas: Adds stability and protection in rough winter terrain.
- Sidi MTB Competition Sole: Delivers efficient power transfer and dependable traction for mixed winter surfaces.
- Reflective rear detailing: Enhances visibility during low-light winter rides.
- 2-bolt SPD compatibility: Works with all standard mountain and gravel pedal systems.
Specs
| Intended Use | Winter mountain biking / gravel riding / cold-weather commuting |
| Upper Material | Weather-resistant microfiber with insulated lining |
| Closure System | Sidi Tecno-3 dial with protective winter cuff |
| Insulation | Thermal lining for cold-weather warmth and comfort |
| Outsole | Sidi MTB Competition Sole for stability and traction |
| Cleat Compatibility | 2-bolt SPD (mountain / gravel / winter) |
| Temperature Rating | Suitable for cold to sub-freezing conditions (varies by sock thickness) |
| Weight | Not provided by manufacturer |
Fit tip: Sidi runs snug with a lower-volume fit. Many riders size up 0.5–1 EU to accommodate winter socks or added insulation.