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Med Spec ASO Ankle Stabilizer

4.4 4.4 out of 5 stars 27,746 ratings

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Ankle Stabilizer
Size Chart
US ASO ANKLE STABILIZER
Brand SizeFoot Circumference (in)
2XS9 - 10
XS10 - 11
S11 - 12
M12 - 13
L13 - 14
XL14 - 15
2XL15 - 16
3XL16
Brand Med Spec
Size XX-Small
Specific Uses For Product Ankle Sprain
Use for Ankle
Age Range (Description) Kid

About this item

  • Nylon
  • Stabilizing Straps form a complete figure-eight to protect and support ankle. Woven elastic cuff closure enhances support and secures laces and stabilizing straps
  • CoolFlex achilles pad and tongue offers comfort and breathability.
  • High quality nylon boot provides superior durability and strength
  • Bilateral design so each size will fit left or right foot and low profile to fit in any type of shoe
  • Each ankle brace is sold separately and is for single patient use only

From the manufacturer

Med Spec ASO Ankle Stabilizer

One of the most popular braces for the protection against and treatment of ankle sprains.

Detailed Features & Benefits:

Stabilizing Straps: Angled stabilizing straps contour above the malleoli for enhanced comfort and migration resistance. They form a complete figure-eight to help stabilize the subtalar and talocrural joints.

Elastic Cuff: Circumferential woven elastic cuff with rounded edges keeps laces and stabilizing straps secure. In addition, it works in concert with the upper boot to resist the inversion or eversion forces.

CoolFlex Achilles Pad & Tongue: CoolFlex padding contains elastic fiber to provide superior comfort along the Achilles tendon and dorsum of foot.

Secure Shoelace: The shoelace is attached to the tongue to ensure lace is always centered and will not become separated in the washing machine.

Each ankle brace is sold separately.

Product Description

Product Description

The ASO® Ankle Stabilizer is the ankle brace of choice for numerous professional and collegiate athletes. The ASO is also one of the most recommended ankle supports by athletic trainers, orthopedic surgeons and physical therapists. The ASO is one of the leading ankle braces on the market due to its unique combination of comfort, support and durability. The contoured tongue provides exceptional fit and is constructed of lightweight yet durable CoolFlex™ material. This material also lines the inside back of the boot, providing increased comfort to the Achilles area. The boot has an invisible seam to provide superior comfort. The shoelace is attached to the base of the tongue to ensure that the lace is always centered. Finger loops at the end of the stabilizing straps assist in securing straps for optimum support. ASO is a registered trademark of Medical Specialties Incorporated.

Manufacturer Contact Information

Medical Specialites, Inc., 4600-K Lebanon Rd., Charlotte, NC 28227, +1-704-694-2434, request@medsepc.com

Product information

Technical Details

Additional Information

Product guides and documents

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
27,746 global ratings

Customers say

Customers like the stability and value of the ankle brace. For example, they mention it provides a great amount of stability to their ankle, holds their foot secure, and is worth the price. They're also satisfied with quality, performance, and support. That said, opinions are mixed on fit, ease of use, and comfort.

AI-generated from the text of customer reviews

1,406 customers mention1,254 positive152 negative

Customers like the quality of the ankle brace. They mention it's well built, the materials are good, and it feels more solid than the Trilok ankle braces. It holds up and doesn't cause any irritation. It's very stable and is a good brace that allows you to go about your day. The support straps attach with very strong velcro patches. Overall, customers are pleased with the ankle support.

"...Only used a couple days but appears well made and designed. I’m happy with purchase." Read more

"...I feel the solid, but soft support along the ankle. It keeps me comfortable, but protected...." Read more

"...This is an excellent ankle wrao." Read more

"...Overall, this is a well-constructed stabilizer which I'm using for my Weber 2 ankle injury...." Read more

1,385 customers mention1,163 positive222 negative

Customers like the support provided by the ankle brace. They say it provides fantastic support, helps support the ankles while tumbling or cheering, and does well during training. Some customers also mention that the brace is supportive and easy to put on, with crossover support and stirrup support. Overall, most are satisfied with the product's support.

"...Something not too stiff and without hard sides but still supportive and not just a sock...." Read more

"...TL;DR: Lots of support in a way that will resist ankle sprains. Way faster than taping your ankles up, but not as good...." Read more

"...My surgeon gave me this lace up ankle stabilizer and it reduced the pain and swelling...." Read more

"...Overall, the support from the brace is decent/good." Read more

1,186 customers mention830 positive356 negative

Customers are mixed about the comfort of the ankle brace. For example, some mention it works great and feels comfortable, while others say it's not super comfortable without a sock underneath. That said, opinions are mixed.

"...It feels nice as it’s wrapped around the ankle, but again, it’s not hurting nor causing pain across the foot, though I feel protected...." Read more

"...Also, I really love that you do not feel it after a while, so it is very comfortable...." Read more

"...the molded plastic inside the bottom and sides made it very difficult to wear and walk inside a shoe.This item is a compromise...." Read more

"...Way faster than taping your ankles up, but not as good. Really comfortable and shipped super fast." Read more

1,087 customers mention959 positive128 negative

Customers like the stability of the product. They say it provides a great amount of stability to their ankle, stabilizes it very strongly, and provides good support and stability. Some mention that the brace holds their foot secure and is slim enough to fit. Overall, most are satisfied with the stability and support provided by the product, which makes their ankle feel secure during hiking.

"...Something not too stiff and without hard sides but still supportive and not just a sock...." Read more

"...ASO Ankle Stabilizer In oder to allow me to walk while protected and stable, finding them to be comfortable and protective...." Read more

"...Not only do these straps greatly reinforce the up/down resistance, because of the way the straps wrap around your foot and back to the same side,..." Read more

"...It never worked loose over time so I think it is fairly secure.The lace is long enough but just barely...." Read more

816 customers mention733 positive83 negative

Customers like the performance of the brace. They say it's well built, effective, and works well with sneakers, dress flats, and hiking boots. Some say that the ASO is still very much usable and will last at least. Customers also say it helps a ton and is tremendously important.

"...I used it for 4 months, and it did the job just perfectly!" Read more

"...It's also fine for sandals. It never worked loose over time so I think it is fairly secure.The lace is long enough but just barely...." Read more

"...Now the laces are open in front and it works well without the wrap...." Read more

"...It is so well built and so effective--this is the one you want. It fits inside a tennis shoe and works." Read more

421 customers mention311 positive110 negative

Customers generally like the value of the sporting goods. They say it's the best money they have spent in a long time and well worth the money.

"...It is worth the price and super quality...." Read more

"Very good product for the price" Read more

"...a Haglund's Deformity, and that combo apparently means this was a waste of money...." Read more

"...Easy to put on and affordable." Read more

1,365 customers mention675 positive690 negative

Customers are mixed about the fit of the product. Some mention that it fits inside of their shoes nicely, while others say that it doesn't fit as tight as you would think for good ankle support. The sizing is perfect for most shoes and sneakers. However, some customers also mention that the laces when you pull them over don't work well in shoes and that it's not the right size.

"...relatively easy to get on and off, adjustable, that fit under most shoes and sneakers and allowed most activities without being too noticeable to me..." Read more

"...It's slightly loose in the heal (my fault due to not measuring) but I’m able to fix the laxity in the heal with the side straps...." Read more

"...It fits easily inside a shoe, and it is really fast to put on and take off...." Read more

"...Even at it’s tightest, it’s still a little big. I’ll still use it but I wish I could exchange, especially for the price...." Read more

622 customers mention293 positive329 negative

Customers are mixed about the ease of use of the ankle brace. Some mention it's reasonable easy to put on and provides some lateral stability. The instructions are clear, while others say it'd be very difficult to put it on.

"...have is I have a wider leg just above the ankle making it difficult to lace up properly as there is not enough lace and the after getting it on..." Read more

"...I wanted relatively easy to get on and off, adjustable, that fit under most shoes and sneakers and allowed most activities without being too..." Read more

"...However with so many straps and ties, it can be pretty bulky and finicky, so not exactly the most comfortable." Read more

"...We’ve worked a few times to get that just right, but it was easy to do and didn’t take too long. I feel the solid, but soft support along the ankle...." Read more

Great quality and very comfortable!
5 Stars
Great quality and very comfortable!
I used to play table tennis professionally, and now I work as a coach. Last year, for the first time ever, I sprained my ankle really badly while playing. This brace helped me to get back to sport really fast.I tried two other stabilizers first, and they were either not very supportive at all or too hard, providing no mobility (which I needed for playing). This one is just perfect, and I couldn’t be happier with my purchase. Without an ankle stabilizer, I was still in pain sometimes even while walking, but with an ankle stabilizer on, I was able to run, jump, and move really actively without worrying at all.It fits easily inside a shoe, and it is really fast to put on and take off. Also, I really love that you do not feel it after a while, so it is very comfortable. You just need to practice a little bit with adjusting the straps.My Women US size is 10 and I ordered medium. I used it for 4 months, and it did the job just perfectly!
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Top reviews from the United States

Reviewed in the United States on February 11, 2024
Color: BlackSize: MediumStyle: Ankle StabilizerVerified Purchase
6 people found this helpful
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Reviewed in the United States on August 14, 2023
Color: BlackSize: MediumStyle: Ankle StabilizerVerified Purchase
Customer image
5.0 out of 5 stars It’s helping me recover, be up and around
Reviewed in the United States on August 14, 2023
As I continue to recover from a bad sprain I’m now using this Med Spec ASO Ankle Stabilizer In oder to allow me to walk while protected and stable, finding them to be comfortable and protective.

After my injuries my wife ordered this Med Spec ASO Ankle Stabilizer along with a boot from Amazon to help me heal. In both cases we are very happy with our choices. They arrived the next day thanks for Amazon Prime, and both have worked well for me.

A few weeks ago I took a bad hit, spraining my right ankle and nailing my left knee (don’t ask). As I’ve recovered I’ve had to deal with a bruised foot, the sprain, and needing to support one, while not bothering the other. At this point I continue to have swelling in the ankle, deep bruising in the foot and ankle, but the need to get up and around. I’m finding this Med Spec ASO Ankle Stabilizer to be giving me the support I need, but without pain to the deep bruising.

Because of the nature of my injuries I’ve been unable to actually put this Med Spec ASO Ankle Stabilizer or my previous boot on by myself. We cannot tell if this is a one person job, but throughout it’s had to be a job I cannot do from my position - so something to keep in mind, but again, it may simply be my injury.

The Med Spec ASO Ankle Stabilizer is lightweight and does not hinder my movement. It feels nice as it’s wrapped around the ankle, but again, it’s not hurting nor causing pain across the foot, though I feel protected. I am not wearing socks in these images - as you can see - but these were taken to test the size and take photos for this review. I have since worm them only with socks. While I did not find discomfort wearing no socks, I do feel I’m more comfortable walking with them WITH the socks - as if they give me a little more cushion, but also a feeling of protection. But I THINK I could go without and be fine. * I did wear them around the house that first time without socks for about an hour and I was fine.

I like that the ties can be adjusted like a shoe in order to adjust tightness. We’ve worked a few times to get that just right, but it was easy to do and didn’t take too long. I feel the solid, but soft support along the ankle. It keeps me comfortable, but protected. I tried to use them in a pair of slip on casual shoes - the Med Spec ASO Ankle Stabilizer did not fit. I am using them in a pair of older gym shoes - I did not want to risk stretching my main pair of gym shoes - and find that the Med Spec ASO Ankle Stabilizer works well. My wife had to extend out the shoes and could not really tighten it all the way down - meaning the shoes do feel loose on the foot. But at this point I’m still doing limited walking. I think as I can walk more I’ll continue to use the Med Spec ASO Ankle Stabilizer at least another week, and I will have to figure out how to deal with the looser shoe. But as I need to feel protected and strength in the ankle, I’ll deal.

In the end I’m very happy with the Med Spec ASO Ankle Stabilizer and will use it as long as I need it. And we’ll keep it around for any... what-if.
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36 people found this helpful
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Reviewed in the United States on March 20, 2024
Color: BlackSize: MediumStyle: Ankle StabilizerVerified Purchase
Customer image
5.0 out of 5 stars Great quality and very comfortable!
Reviewed in the United States on March 20, 2024
I used to play table tennis professionally, and now I work as a coach. Last year, for the first time ever, I sprained my ankle really badly while playing. This brace helped me to get back to sport really fast.

I tried two other stabilizers first, and they were either not very supportive at all or too hard, providing no mobility (which I needed for playing). This one is just perfect, and I couldn’t be happier with my purchase. Without an ankle stabilizer, I was still in pain sometimes even while walking, but with an ankle stabilizer on, I was able to run, jump, and move really actively without worrying at all.

It fits easily inside a shoe, and it is really fast to put on and take off. Also, I really love that you do not feel it after a while, so it is very comfortable. You just need to practice a little bit with adjusting the straps.

My Women US size is 10 and I ordered medium. I used it for 4 months, and it did the job just perfectly!
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Reviewed in the United States on December 3, 2013
71 people found this helpful
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Top reviews from other countries

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Ian G
5.0 out of 5 stars Gran estabilizador
Reviewed in Mexico on March 16, 2024
Color: WhiteSize: MediumStyle: Ankle StabilizerVerified Purchase
CARLOS
5.0 out of 5 stars Efectiva
Reviewed in Mexico on February 23, 2024
Color: WhiteSize: LargeStyle: Ankle StabilizerVerified Purchase
Lawson
5.0 out of 5 stars Works as detailed
Reviewed in Canada on February 6, 2024
Color: BlackSize: MediumStyle: Ankle StabilizerVerified Purchase
Isaac
5.0 out of 5 stars Excelente
Reviewed in Mexico on January 14, 2024
Color: BlackSize: LargeStyle: Ankle StabilizerVerified Purchase
Loreto
5.0 out of 5 stars Fuerte, cómodo y práctico.
Reviewed in Mexico on April 4, 2023
Color: BlackSize: MediumStyle: Ankle StabilizerVerified Purchase