Here's what other sites are saying:
Made for both in-track and off-track cross country touring, the BC 20 Plus with Thinsulate insulation keeps feet toasty feet on long ski outings in cold weather. Great comfort and stability.
CLOSEOUTS . Hit the groomed track or head off into the woods with Alpina BC 20 Plus cross-country ski boots. They feature an Alpitex waterproof breathable membrane, Thinsulateand#174; insulation and a reinforced toe box to keep your feet comfortable and ready for backcountry terrain. Available Colors: BLACK/CHARCOAL/RED. Sizes: 40, 41, 42, 43, 44, 45, 46, 47, 48, 49.
- Sierra Trading Post