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Mason aramid fiber iPhone Duo case in matte black, closed, back at an angle showing the button edge
Mason aramid fiber iPhone Duo case in matte black, unfolded flat, back of the case
Mason aramid fiber iPhone Duo case, carbon fiber finish in matte black, unfolded flat, front at an angle

Currently in production. Orders will begin shipping in October.

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Aramid Fiber iPhone Duo Case

Regular price $89.99

A folding phone deserves a case that respects the fold. Mason's iPhone Duo case is made from Aramid Fiber 1500D with a carbon fiber look and finish, under 1 mm thin and about 20 g, so the Duo still closes flat and slips into a pocket like it should.

The camera plateau is fully covered with a raised lip so it never rests on a table, buttons and ports stay open, and it's MagSafe compatible, so chargers and wallets snap on through the shell. Drop resistant and rigid, it holds its shape at the hinge instead of stretching or splitting the way soft cases can.

Simple, durable and cleanly made, with a matte texture that feels great in hand and minimal branding. If you're after a slim aramid fiber case for the iPhone Duo that doesn't turn a thin phone into a thick one, this is it. See all iPhone Duo cases or the wider carbon fiber look collection.

Incredibly Light

Ultra Thin

Minimal Branding

Drop Resistant

Camera Protection

Aramid Fiber iPhone Duo Case

$89.99
A black carbon-fiber-textured phone case with a camera bar cutout, resting on a rustic wooden table with natural shadows from nearby leaves.

Smooth Comfort

Real aramid fiber, wrapped around both halves. Under 1mm thin, so the Ultra still folds flat and stays pocketable. The woven texture gives you a sure grip on the cover screen or opened wide — no slips, no strain, no bulk.

A smartphone case with a black carbon fiber pattern and a black camera ring, shown on a beige surface with dramatic diagonal sunlight casting shadows.

Incredibly Light

Aramid fiber is five times stronger than steel at a fraction of the weight, so the Ultra stays as light in your hand as Apple built it. Wrapped around both halves at under 1mm, it disappears in a pocket and folds flat without a hint of bulk.

A black carbon fiber textured phone case with a silver camera bumper, shown on a white marble tabletop with a coffee cup in the background.

Armor Grade

Aramid fiber is what stops bullets and lines racing seats. Here it wraps both halves of your Ultra at under 1mm, taking the hits a foldable takes most — corner drops, keys, the edge of a desk. The weave won't crack like plastic or dent like aluminum, and it holds its shape through thousands of folds.