For those days when most people ride the trainer. Castelli used a fleece-backed Polartec AirCore outer layer with a full fleece inner layer to make Castelli's warmest bootie ever.
Features
- Castelli's warmest shoecover for extreme conditions
- Polartec AirCore fabric for windproof water protection with maximum breathability
- Thermal lining to keep your feet warm
- Reflective details for high visibility
- YKK AquaGuard zipper
- High-durability material under foot
- Machine wash at 30 degrees Celsius. Tumble dry cool. Do not bleach. Do not iron. Do not iron print. Do not dry clean. Wash similar colors together.
Specification
- Weight: 240g
- Temperature: -10°C - 5°C / 14°F - 41°F







