Vintage Tony Lama Boots Womens Size 6.5C Pirarucu Exotic Leather Brown Tan Western Cowboy Measurements (Approximately) Shaft height: 12” Calf circumference: 13” Heel height: 1 1/4 inch These are very rare and exotic Pirarucu Fish Leather Boots. It is known as the big fish, and comes from the rivers and lakes of The Amazon Rainforest. This leather is known for durability and flexibility. Pre-owned vintage condition. Minimal wear on heels. See photos for all details. I ship daily so expect a quick delivery!