High Plains Sheepskin For over 45 years, High Plains Sheepskin has built our business one customer at a time. We use only the very best American sheepskins and materials for our footwear. Our slippers are hand-made in East Helena, Montana. Shop Now Don't miss a thing! Sign up to receive news and updates.Get a reminder email when our products go on sale. Don’t worry, we hate intrusive solicitation, too! We promise we won’t bug you more than a couple times a year! Email Address Sign Up Thank you!