The long-sleeve base layer Castelli Cold Days 2nd Layer offers maximum insulation and moisture management for rides in cold conditions. It is ideal to wear as a layer between a base layer and a jacket.
- Polartec Alpha 90 fabric, with high active insulation, made from recycled PET.
- Maximum breathability.
- Asymmetrical zip.
- High collar.
- Temperature range: min -5C/max 8C.
- Weight: 101 gr.
- Color: Blue (ROCK BLUE).
