What Actually Happens to a Pair of Flip-Flops After You Throw Them Away
Your flip-flops aren't banned, but where do they end up? Discover what happens after disposal, how EU footwear waste is managed, and...
Read moreThe only B Corp Certified™ Cork Polymer Slippers, made in Portugal
Sustainable Hotel Slippers
Who We Are
Primal stands for discovery without destruction. We are an award-winning footwear design team creating premium cork insoles, hotel slippers, and flip flops rooted in the circular economy. Made in Portugal from carbon-negative and naturally regenerative cork, Primal delivers maximum comfort — and a minimal footprint.
Maximum Comfort
Premium natural materials, crafted in Portugal for exceptional comfort.
Minimal Footprint
Powered by naturally regenerative, carbon-negative cork and designed for circularity.
Certified B Corp
Using business as a force for good through verified social and environmental impact.
Our partners
Why the Fløps.
Cloud Comfort
Soft landings and quiet steps provide lasting comfort while reducing strain on your feet and joints throughout the day.
Circular by Design
The Fløps are made from bio-based materials designed for durability during use and recyclability after their lifecycle ends.
Mono-Material
The Fløps feature a mono-material and anti-slip design that eliminates weak points and makes them more durable and safer to wear.
Award Winning Design
Made from regenerated biopolymers, engineered for lasting comfort and a minimal footprint.
Latest news.
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What It Actually Takes to Get Shelf Space at a Sustainable Retailer in 2026
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Why Bever Chose Cork Insoles: 3 Reasons
Explore why Bever partnered with Primal Soles for cork insoles, and how circular materials, comfort, and durability meet outdoor retail demand.
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Why Cork? The Material Science Behind Every Primal Product
Discover why cork is the foundation of every Primal product. Explore the material science behind cork and how its natural performance, renewability,...
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Get in touch
Let's talk about your project.
Questions, partnerships or bulk orders — we'd love to hear from you.