The product's internal volume is calibrated to suit a range of instep heights, the slippers from wizard of oz.

Make time for relaxation in the Haflinger GZL Leather trimmed Grizzly. The uppers are made of soft, boiled woolfelt which contribute to temperature control and moisture wicking. The collar is lined in a timeless leather trim. The insole is also made of boiled wool, providing a soft and dry foot environment. The midsole is anatomically correct, made of a combination of cork and latex, giving you excellent arch support and a heel cup for shock absorption without sacrificing flexibility. The durable rubber outsole will provide traction whether you're on a nature walk or just doing chores around the house. Whether you're ready to grab a book for a little cozy quiet time or need to be on your feet all day, the Haflinger GZL Classic Grizzly with leather trim will be your go-to shoes for the job!

Details;

Defined arch support
Boiled wool upper
Contoured heel seat
Cork molded midsole
Leather trim accent
Rubber outsole

The cushioned collar around the ankle opening offers comfort without interfering with the underlying support system, boiled wool slippers.