The Underestimated Shoe: What a Foam Clog and a Cork Sandal Say About Staying in Your Lane
# The shoe nobody bet on
Picture the most divisive shoe you can think of. The one people always seem to have an opinion about. There is a good chance a listed company makes it, charges a premium for it, and keeps more than half of what you hand over as gross profit before a cent goes anywhere else.
Two companies do exactly that, on exactly that kind of shoe. **Crocs** runs a **58 percent** gross margin on a molded foam clog that has divided opinion since the early 2000s. **Birkenstock** runs **57 percent** on a cork-and-latex sandal it has been shaping, more or less unchanged, since 1774. Same polarizing design. Same margins. Two very different companies. The question worth staying for is not why people buy a polarizing shoe. It is what each company did the moment it understood the design actually worked.
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# The clog that refused to die
Start with the survivor. The Classic Clog should have been a fad, and for a while the market treated **Crocs** as one. Instead the foam held. A proprietary material the company calls *Croslite*, a wall of clip-on Jibbitz charms, and a brand that leaned into its polarizing reputation rather than running from it turned a novelty into a machine. Trailing revenue sits near **4 billion dollars**, and by the company's account international sales are approaching parity with North America, growing at roughly 10 percent a year across China, Japan, India, and Western Europe.
There is a quieter virtue underneath the noise. Over the last several years **Crocs** grew revenue per share at about **16 percent** while headline revenue grew closer to 12 percent, which only happens when a company is steadily buying back its own stock and leaving each remaining share owning more of the business. That is the honest kind of growth, the kind you cannot manufacture by printing new shares.
Then came the swerve. In 2022 **Crocs** paid roughly **2.5 billion dollars** for HEYDUDE, a second casual-shoe brand, betting it could run the single-icon playbook twice. It has not worked yet. By the company's own disclosures HEYDUDE has posted two straight years of double-digit revenue declines, and the drag is visible in the group numbers: reported operating margin over the trailing year fell to about **3 percent**, against a three-year average near 26 percent, and return on invested capital turned negative over the same stretch. The core **Crocs** brand still earns north of 20 percent operating margins. The acquisition simply muddied a story that used to be beautifully, almost defiantly, simple.
Our engine still rates the growth engine respectably (MGI of 50) and reads the price as no particular bargain (MVI of 56). A cash machine, with a distraction bolted to the side.
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# The footbed that took two and a half centuries
Now the company that did the opposite of a swerve. It did nothing.
**Birkenstock** has sold essentially the same contoured cork footbed since 1774, went public on the New York exchange only in October 2023, and has never seriously tried to be more than one idea. The split of the business is deliberately old-fashioned: about **62 percent** through wholesale partners, 38 percent direct to the customer, with the Americas its largest market at 52 percent of sales. Operating margin runs near **25 percent**, and here is the tell, its three-year average is 24 percent. Flat. Boring. Durable. Exactly what the **Crocs** profit line stopped being.
*… (article continues)*
*Read the full article (****free****, no paywalls) at* [https://multibaggerapp.substack.com/p/the-underestimated-shoe-what-a-foam](https://multibaggerapp.substack.com/p/the-underestimated-shoe-what-a-foam)
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*Written the modern way: human research and judgment with AI-assisted drafting. Research information, not investment advice.*
