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Size guide >
14-day return period
Feel the difference, every single day.
Autumn offer: Enjoy 10% off when you buy 2 pairs of shoes, or 15% off when you buy 3 pairs or more. The discount is applied automatically at checkout.
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These arch support insoles are specially designed for flat feet and fallen arches, providing firm and stable support with a 3 cm arch lift and a deep heel cup for improved balance and even pressure distribution.
They help relieve discomfort from plantar fasciitis, heel pain and overpronation, while enhancing comfort in sneakers, walking shoes or everyday footwear. Ideal for daily use, whether at work or on the go.
Made from durable polyester, they’re easy to clean with a slightly damp cloth. For the best fit, use them in shoes with removable insoles and wear them a few hours a day at first to allow your feet to adjust.
We hear this from so many customers…
– Every step feels painful because of plantar fasciitis or my bunion.
– You want stylish shoes or sandals, but nothing feels truly comfortable.
– You no longer feel the grip or support you need to walk with confidence.
Take your time. Try them for 14 days, and if they’re not the comfort you were looking for, you can easily return them for a full refund.
For gradual adjustment, it is recommended to wear new insoles for only a few hours per day during the first few days. This allows your feet to adapt to the arch support and structure.
The insoles can be gently cleaned with a dry or slightly damp cloth.
When used in shoes with removable insoles, it is best to remove the original sole first for a better fit.

Find your perfect fit with our easy-to-use size guide for shoes and sandals.
| AVION SIZE GUIDE |
LENGTH |
|---|---|
| INCH (″) | |
| UK 2.5 | 8.9″ |
| UK 3 | 9.1″ |
| UK 4 | 9.3″ |
| UK 5 | 9.4″ |
| UK 6 | 9.6″ |
| UK 6.5 | 9.8″ |
| UK 7 | 10.0″ |
| UK 8 | 10.2″ |
| UK 9 | 10.4″ |
| UK 9.5 | 10.6″ |
| UK 10 | 10.8″ |
| UK 11 | 11.0″ |
| UK 11.5 | 11.2″ |
| UK 12 | 11.4″ |
| UK 13 | 11.8″ |
For shoes or sandals available only in whole sizes, we recommend ordering the next size up if you are between sizes.
We ship with trusted carriers including Royal Mail, DPD and DHL. Each order comes with a tracking number for your convenience.
Not completely satisfied? No worries. You have 14 days to return or exchange your items with ease.
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NL-2661 KR, 42l
ID: 89075234
VAT: 864871302B01
+31 6 17 84 76 05
support@avionshoes.com