Here's what other sites are saying:
If you're mindful of preserving the winter wilderness areas you love to ski through, the eco-friendly Alpina T Promise Touring Boot has your name written all over it. Constructed with recycled, sustainable, and bio-degradable materials, the T Promise has the environment in mind but in no way sacrifices performance. The waterproof membrane keeps you dry while Thinsulate insulation provides the warmth you need for long days on the trail. Plus, the leather and wool uppers give this boot a classic look and feel.