Very good90/100
- Fit
- Construction
- Insulation
- Weather protection
- High price
One of the warmest jackets in this test field comes from Castelli. The Alpha 150 impressed with its top insulation even at sub-zero temperatures. Castelli combines a windproof and water-repellent Aircore outer material with a lightweight, warm and hydrophobic Polartec Alpha insulation layer on the inside...