---
product_id: 39358875
title: "Reaction Web Knee Support Brace with Compression Undersleeve, Absorbs Shock to Relive Pain - Red, X-Small/Small"
brand: "donjoy"
price: "49324 Ft"
currency: HUF
in_stock: true
reviews_count: 5
url: https://www.desertcart.hu/products/39358875-reaction-web-knee-support-brace-with-compression-undersleeve-absorbs-shock
store_origin: HU
region: Hungary
---

# 85% nylon & 15% spandex breathable undersleeve Lightweight at just 0.5 lbs for all-day comfort Innovative shock-absorbing web design Reaction Web Knee Support Brace with Compression Undersleeve, Absorbs Shock to Relive Pain - Red, X-Small/Small

**Brand:** donjoy
**Price:** 49324 Ft
**Availability:** ✅ In Stock

## Summary

> 🕸️ Elevate your knee game with cutting-edge webbed support — don’t let pain hold you back!

## Quick Answers

- **What is this?** Reaction Web Knee Support Brace with Compression Undersleeve, Absorbs Shock to Relive Pain - Red, X-Small/Small by donjoy
- **How much does it cost?** 49324 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/39358875-reaction-web-knee-support-brace-with-compression-undersleeve-absorbs-shock)

## Best For

- donjoy enthusiasts

## Why This Product

- Trusted donjoy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Targeted Pain Relief:** Clinically supports conditions like patellar tendonitis, Osgood-Schlatter, and mild osteoarthritis.
- • **Pro-Grade Performance:** Trusted by U.S. Snowboarding & Ski teams, designed by top orthopedic experts for serious athletes.
- • **Universal & Versatile:** Fits either leg with adjustable Velcro straps—ideal for post-surgery recovery or high-impact sports.
- • **Breathable Comfort Fit:** Open web framework plus mesh backing ensures airflow and reduces chafing during extended wear.
- • **Dynamic Patella Stabilization:** Webbing technology keeps your kneecap perfectly aligned to reduce pain and prevent injury.

## Overview

The DonJoy Reaction WEB Knee Brace features an innovative elastomeric web that absorbs shock and stabilizes the patella dynamically, reducing knee pain and improving function. Made with a breathable nylon/spandex undersleeve and weighing only 0.5 lbs, it offers all-day comfort and universal fit for either leg. Designed by orthopedic experts and trusted by professional athletes, it effectively supports a range of knee conditions including patellar tendonitis, Osgood-Schlatter disease, and mild osteoarthritis.

## Description

The DonJoy Reaction WEB Knee Brace uses a responsive, webbed approach to knee pain that gives you a distinct alternative to the basic knee sleeve. Developed by world renowned orthopedic surgeon, Dr. William Nordt, the DonJoy Reaction WEB can help decrease knee pain and increase function, getting you back to your active lifestyle. The elastomeric web is an innovative solution that absorbs shock, disperses energy and shifts pain away from your knee. This webbing acts to dynamically stabilize the patella (kneecap) on all sides, bringing the patella into proper tracking position to reduce pain. The open framework of the elastomeric web, in combination with the mesh backing, creates a comfortable fit and a breathable solution for relief of anterior knee pain. It's secured with Velcro straps, and weighs only 0.5 lbs. The lightweight design makes this knee brace ideal for all-day use. One undersleeve is included, and is made of 85% nylon/15% spandex. The DonJoy Reaction WEB can be used to treat or prevent the following knee injuries: patellofemoral pain syndrome (PFPS), chondromalacia patella (runner’s knee), quadriceps or patellar tendonitis/tendinosis (jumper’s knee), Osgood-Schlatter disease, general patellar tracking issues and instability, and mild knee osteoarthritis. The DonJoy Reaction WEB is worn by professional snowboarders, volleyball, football players; as well as the U.S. Snowboarding and U.S. Ski teams. Universal fit allows the DonJoy Reaction WEB Knee Brace to be worn on either the left or the right leg.

## Features

- Made of 85% nylon and 15% spandex the undersleeve reduces friction or chaffing. The undersleeve is supposed to fit tightly, but if you’d prefer a larger undersleeve or need a replacement you can purchase a Reaction
- Specific Uses For Product: Patella Tendonitis, Osgood-Schlatter, Patellofemoral Tracking Issues, Mild OA, Chondromalacia
- Innovative web design absorbs shock, disperses energy and shifts pain away from your knee. Open webbing framework coupled with the mesh backing creates a comfortable fit and a breathable solution
- Webbing acts to dynamically stabilize the patella (kneecap) on all sides, bringing the patella into proper tracking position to reduce pain. Designed to prevent injuries during high-risk activities, like sports.
- Lightweight design makes this knee brace ideal for all-day use. This knee brace for men and women restricts knee movement to allow healing after surgery or injury. | Universal fit allows the DonJoy Reaction WEB Knee Brace to be worn on either the left or the right leg. Fit tip-circumference measurements should be taken at knee center 6 inch above and below the knee center

## Product Details

- **Brand:** DonJoy
- **Size:** X-Small/Small
- **Specific Uses For Product:** Patella Tendonitis, Osgood-Schlatter, Patellofemoral Tracking Issues, Mild OA, Chondromalacia
- **Use for:** Knee
- **Age Range (Description):** Adult

## Images

![Reaction Web Knee Support Brace with Compression Undersleeve, Absorbs Shock to Relive Pain - Red, X-Small/Small - Image 1](https://m.media-amazon.com/images/I/91NbeHKGb6L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Brace
*by B***Y on July 9, 2025*

I shredded my knee a year ago and it is continuing to heal. I’m not sure it will ever heal completely. I ripped the kneecap right off sideways and everything that was holding it was torn. The knee literally went backwards 4 inches. That is the wrong direction to be going backwards! An orthopedic surgeon gave me this brace and it has been by far the best brace I’ve used. Due to the very high price, I have attempted to use at least 20 different styles of braces since. That has been a huge waste of time and money.And in the end, I lost my original brace on a trip. And I’ve ended up ordering two more of these $80 braces. The price is absolutely ridiculous and I feel taken advantage of by the price.But I love these braces. They make me feel more stable than any other others. I highly recommend this lightweight brace. It keeps my kneecap in the spot where it needs to be, and the height of the brace makes my leg feel much more stable. When my knee was at its worst in the beginning this was not nearly enough support by itself. I think I was on crutches for about nine months. The brace rolls up compactly for storage or travel. I washed this in the washing machine all of the time and hang it to dry.

### ⭐ Very uncomfortable
*by K***R on December 30, 2020*

I ordered this brace after having meniscus surgery on my knee 5 months ago. I was hoping it would provide support for me while trying to get back into activities like hiking, biking, and skiing. I measured my leg according to the instructions and ordered a size large. After the brace arrived, I tried it on with the compression sleeve. It was so tight that I could not wear it. I tried the brace without the sleeve and it fit ok. It has to be strapped on tight to work properly, which makes it less comfortable. I decided to try it on a mountain bike ride. I strapped it on and loaded my bike into my truck for a 15 minute drive to the trails. My leg was in pain by the time I arrived due to the brace. I rode around for about 2 minutes and the brace was very uncomfortable and did not perform as I was hoping. I took it offI think the problem is on the design. It seems like once the knee is flexed, it stretches the plastic until the knee is in the straight position. This does not allow partial flexion, which renders it useless for me and what I wanted to use it for.I ended up finding a better one made by 3m at my local cvs. I have worn it skiing multiple times and often forget it is there as it provides the support I want.I do not recommend this brace because in my opinion it is so uncomfortable that I do not want to wear it.

### ⭐⭐⭐⭐⭐ UPDATED:Amazon resolved the confusion over the brace and I have faith in them again
*by M***K on March 13, 2024*

UPDATE:I did resolve the issue with Amazon and my surgeon ended up ordering me this brace for me and it was sold by the manufacturer and will hopefully be covered by my insurance company. I did get the next size up and now the hinges actually work (they couldn’t work with the brace from Amazon being too small).I don’t know how well this brace works for other issues, but the issue causing my pain is patellar maltracking which has developed over the years into arthritis. I first began having knee pain in 2016, I guess. I would think it would help with anything requiring kneecap support. It is the only brace that is able to give me pain relief and fits my kneecap.The biggest issue I see is that the size chart is not the same as on the manufacturer’s website. The manufacturer advised me to order one from them but they are more expensive. They then said to at least use their size chart if I order from Amazon. I will likely order from somewhere else altogether as Amazon seems to be telling me they are giving me a refund and it is not appearing. There was some confusion on my part about whether or not it fit after they initially refunded my money when it didn’t seem to fit and hurt as part of it digs into my knee. So I then tried using the sleeve and it helped with the pain from the brace so I thought since it was supporting my kneecap it fit me. I actually asked Amazon to charge me again as I didn’t want to use the brace after getting a refund being that it is so expensive. But I realized that the hinges need to be on the sides of my knee and instead they are just beside the kneecap and my legs are wider than a medium/large, so the hinges are not on the side of my knee. I then asked for the money back again and now I guess Amazon thinks I am changing my mind too much and I think the real issue is that they need to have the correct sizing information in the pictures. I would not recommend anyone buy this unless they check the manufacturer’s website first.

## Frequently Bought Together

- DonJoy Reaction Web Knee Support Brace with Compression Undersleeve: Red, X-Small/Small
- Brace Direct Non-Slip Knee Brace Undersleeve – Protective Liner Shields Skin from Abrasions & Irritation, Breathable Closed-Patella Compression, Size S/M (Thigh 16-26 in)
- DOUKOM Knee Brace Undersleeve for Men & Women, Leg Sleeves for for Under Brace Closed Patella Protects Skin from Abrasions and Irritations

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-20*