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Is there arch support?

The Adapt Trainer is extremely flexible and flat, meaning it actually causes your arches to build up their own support. Consider a study done in 2003 by Dr. Harvey Lemont showed that plantar fasciitis is actually the degeneration of tissue, which is

How do I take care of my Flux shoes?

Machine wash cold on a gentle cycle with like colors. If using a top-loading machine, place on top of laundry load. Let air dry, out of direct sunlight. Do not machine-dry. This will also freshen up and re-animate the interior foam. For white shoes,

How thick is the sole?

The sole is made of a 5mm Adaptsol sockliner, 5mm neoprene insole, and 5mm rubber Adaptsol tread.

What is the break-in period?

While there's no real break-in period, we do advise anyone new to barefoot shoes to ease into the product. Wear them in for a quarter-mile to start, and see how your feet feel the next day. Especially if your feet are used to typical, highly-cushione

Can I run in these?

You can! However, as addressed in the break-in period response above, we don't recommend running long distances in them unless you have worked up to it.

Are Flux shoes ethically made?

Our shoes are 100% vegan and are produced according to the highest standards in South Korea, Vietnam, and China. Our uppers are made of 30% virgin polyester. On top of all that, we're currently researching ways to make the product even more sustainab

How much do Flux shoes weigh?

Our shoes weigh around 9.3oz for men's size 9 and vary a few ounces less or more depending on the size.

Are your products waterproof?

Our Adapt Waterproof Runner features a waterproof lining that will help keep liquids out. *No footwear product is 100% waterproof as there is an opening where your foot goes into the shoe.

What is Earth-Link technology?

Earth-Link is our revolutionary technology which electrically grounds your feet to the earth, providing a barefoot sensation while still offering the protection and support of shoes. Our products that feature Earth-Link are developed with a conductiv

Have you tested the conductivity of Earth-Link?

Yes, our shoes have been factory-tested during production and tested by our US-based product team with a multimeter. Since rubber on its own is a non-conductive material, we've infused the outsole with carbon black, a highly conductive compound, whic

How durable are your shoes?

Our shoes are designed to withstand everyday wear and tear, and we conduct testing to ensure that durability is of the highest industry standards.  While we strive to create products that stand the test of time and provide reliable performance, the e