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Your thin wallet search may be over. SlimFold™ makes the world’s thinnest, lightest, and strongest minimal wallets right here in San Francisco. Now with RFID blocking as an option. Let me help you pick the model that’s best for you...

Tyvek® and Soft Shell are the two materials available and they come in Original and MICRO size. Each model has several color/stitching combinations and an RFID blocking option.

  • Thinnest, lightest, and strongest wallets available
  • Innovative environmental materials with no animal products
  • Made in San Francisco

Soft Shell


The new SlimFold™ Soft Shell line is made from a material which feels similar to a ski jacket, yet is so abrasion resistant, it’s rated for use in motorcycle wear. It was even subjected to 70mph crash-testing on real pavement during development.

  • Stronger than leather
  • Bluesign® certified environmentally friendly material
  • Waterproof and machine washable



Made from the ultra rip-resistant FedEx mailing envelope material, the resulting SlimFold™ Tyvek line is the world’s thinnest wallet. Technically a sheet plastic, Tyvek is most commonly known for its use as FedEx packaging that’s almost impossible to open without getting scissors. Despite having a fully functional money pocket, ID window, and individual card slots, it’s still the thinnest wallet made, both empty and full.

  • Thinnest possible option
  • Ultra rip-resistant
  • 25% post-consumer recycled content and recyclable (HDPE)
  • Waterproof


I’m working on something big. Hint: It’s not a wallet.

July 04, 2016

When I sent out a survey about what I should work on next and this product, I was somewhat surprised by what product came back as the #1 item. Why? Well, it wasn’t a wallet! Like my first wallet design, this was also something I had a need for and wasn’t able to find anything I liked. I had even sketched out some ideas but knew it would be a huge project. But I felt invigorated to work on the design knowing that other folks were looking for something like this too... I’m going to launch a Kickstarter for it when it’s ready. Want to get notified when it goes live and get a first chance at the early deep...

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Fifty shades of green: A qualitative and quantitative balance to design

June 11, 2016

As a business that now operates almost completely online, but makes physical products, I need to constantly make good decisions about which products to produce. I don’t do a perfect job of this by any means, but I thought you may find it interesting to understand a bit of the thinking that goes into it... The ideal business model as far as an online business is to avoid having any inventory in order to reduce risk. This is possible by either selling digital products or drop-shipping (where someone buys a product on your website, but really you just take the order and instruct another business to ship the product from their inventory). If you make and sell your own products, you...

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