The BC 2175 has been discontinued. If you're looking for something new, check out the best telemark boots for 2020.
Mountain Gear says:
Compatible with three-pin telemark bindings, the BC 2175 75 mm boots from Alpina feature a Thinsulate lining for warmth in the backcountry, and have a high plastic cuff for a superb balance of comfort and control. Designed with medium flex so you can get more push on your skis, these stable backcountry touring boots have a plastic cuff and heel counter that help stabilize the ankle.
Historic Range: $169.95-$269.00