Make sure you are standing, wearing the socks or stockings you will wear with your new shoes. Using one of the following charts, convert your U.S. shoe size to EU.
In Between Sizes?
Aetrex recommends you size up for footwear and Orthotics
| Heel-Toe Measurement |
7.2" - 7.5" | 7.9" | 8.2" | 8.5" | 8.7" | 8.8" | 8.9" | 9.0" | 9.2" | 9.3" | 9.5" | 9.7" | 9.8" | 10.0" | 10.2" | 10.4" | 10.5" | 10.7" | 10.8" | 11.0" | 11.2" | 11.3" | 11.5" | 11.7" | 11.9" | 12.0" |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Women's - US | – | – | – | – | 5 | 5.5 | – | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | – | – | – | – | – | – |
| Women's - EU | – | – | – | – | 35 | 35 | – | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 42 | 42 | 43 | 43 | – | – | – | – | – | – |
| Men's - US | – | – | – | – | – | – | – | – | – | – | – | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 |
| Men's - EU | – | – | – | – | – | – | – | – | – | – | – | 39 | 40 | 41 | 42 | 42 | 43 | 43 | 44 | 45 | 45 | 46 | 47 | 47 | 48 | 48 |
| Kids - US | C12/13 | Y1 | Y2 | Y3 | – | – | Y4 | – | Y5 | – | Y6 | – | Y7 | – | – | – | – | – | – | – | – | – | – | – | – | – |
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Women's Compete Posted Orthotics
SKU: L420W04
Make sure you are standing, wearing the socks or stockings you will wear with your new shoes. Using one of the following charts, convert your U.S. shoe size to EU.
IN BETWEEN SIZES? Aetrex recommends you size up for footwear and Orthotics
When you choose Aetrex, you make the healthy choice. Wear the shoes or Aetrex Orthotics and if you are not completely satisfied, return them to us. If you need detailed step-by-step instructions, please visit our FAQ page for further guidance.
The refund will be processed to the original form of payment and should be reflected in your account within 5 to 7 days from the day of the drop-off.
A return fee of $5.95 will be automatically deducted when processing your return.
Shipping charges from the original order are non-refundable.
Helps With
Arch Pain
Flat Feet
Heel Pain
Plantar Fasciitis
Pregnancy
Shock Absorption
Main Features
Polyurethane
A high energy return performance base that helps with shock absorption and shape retention.
Posted Heel
A medial rearfoot post that helps keep your feet aligned and controls overpronation.
Overall rating: 4.6623793 / 5 from 311 reviews.
These orthotics are highly recommended for hikers, walkers, and everyday activities due to their excellent comfort, support, and pain relief. They are designed for low arches to flat feet, providing balance and reducing over-pronation. Customers praise the perfect fit, moisture-wicking properties, and superior cushioning.
Review topics: ["fit","shipping","weight","problem","quality","feel","feet","service","comfort","stability","knees","support","improvement","wear","orthotics","pain","insole","inserts","arch","shoes","foot","help","pairs","surgeon","work","walk","relief","doctor","aetrex","difference"].
"Extremely slow…. slow…. slow…. order filling service. Inserts are ok - but there’s an extended piece at the side where the arch support is that I had to cut away because it only made my pain worse because n the area of the posterior tibial tendon."
"Given that Aetrex offers a variety of orthotics it is important to know one's foot condition in order to make a reasoned choice. Given my particular situation, flat arch, calluses, etc and given my need for an orthotic to insert into a sneaker meant for both walking and light running I found compete L420 to be the one to best fit my needs."
"The support worked well at first but the high part of the support has begun to collapse. I believe I deserve a refund or a new pair."
"So far, very good. Not too high or too low."
"Thank you for reaching out to me. I’m rather dissatisfied with these arch supports. I’ve tried them in 5 different sneakers and they make my feet hurt. The model I bought was picked out for me by a doctor. Maybe there’s another model you can replace it with. But if that one gave me problems too, I’d want a real return for my money back."
"Love the Aetrex Compete & Train. Need the support because of flat feet/pronation. Was able to spend"
"My doctor recommended these. Helped me a lot with my posterior tibial tendon dysfunction pain. I have bought a few pairs. They don't fix the problem but they do ease the pain quite a bit."
"I have very flat feet and have tried various supports on Amazon. This has been expensive and they have not been comfortable. My foot surgeon recommended Aetrex L420 for women for my flat feet. I just ordered another pair, as they are SUPER comfortable and properly support my feet. I wear a size 7 foot but the size 8 fits perfectly. I have been throwing my money away on Amazon, trying this and that arch support."
"Best insole I ha e ever found and don't stand with out them Thanks."
"Great support and confort."
