Leather Library

Hippo

One of the rarest exotics in boots today — and, for now, one of the least regulated.

SourceHippopotamus — hide, often from natural-death animals

OriginSub-Saharan Africa

Thickness~1.5–2.2mm

Cost$$$$

Worth watchingHippos currently have no protection under the US Endangered Species Act, so domestic trade in hippo leather faces essentially no federal scrutiny beyond the international CITES Appendix II permitting that already applies when it crosses a border. That could change: several conservation and animal-welfare groups filed formal notice in 2024 that they intend to sue the US Fish and Wildlife Service over a missed deadline to decide on ESA protections for hippos. If that listing goes through, it would bring much tighter restrictions on commercial sales and imports going forward — worth keeping an eye on if you collect this material.

What It Is

Hippo leather is scarce largely because of how it's sourced — much of it reportedly comes from animals that died of natural causes rather than a dedicated harvest, which keeps supply genuinely limited. The hide runs thick for an exotic, roughly 1.5 to 2.2mm, with a soft-yet-sturdy hand often finished with a suede or nubuck texture. Visible scars and marks from the animal's life are part of the material's character, and the overall coloring tends to run more even, with fewer speckles, than elephant leather.

In Boots

A genuine rarity even among exotic boot leathers — most collectors will see far more alligator, ostrich, or python than hippo in a lifetime of shopping. Scarcity, more than any performance edge, is the draw.

Care

Brush regularly with brass bristles, use alcohol-free cleaning products, and apply a conditioner made for exotics. Store in a cool, dry place. See our boot care guide for general notes.