When comparing Thinfold Micro vs Supr Slim, the Slant community recommends Supr Slim for most people. In the question“What are the best slim wallets?” Supr Slim is ranked 1st while Thinfold Micro is ranked 5th. The most important reason people chose Supr Slim is:
Slim expands in order to accommodate up to 10 cards. Even when one or two cards are being used, Slim won't lose its grip.
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Pros
Pro Waterproof/stain resistant
This wallet is coated in a hydrophobic material, so it won't absorb any liquid.
Pro Tested well
Slimfold Micro has been tested for durability on real pavement at speeds up to 70mph.
Pro Great grip
Slim expands in order to accommodate up to 10 cards. Even when one or two cards are being used, Slim won't lose its grip.
Pro Many colors
This wallet comes in six colors.
Pro Large capacity while staying thin
Cards make up the majority of this wallet's girth, not the wallet's material.
Cons
Con The edges bend
The parts of the wallet that aren't directly supported by cards will fold and bend.