--- product_id: 592806197 title: "OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850" brand: "brace direct" price: "¥71045" currency: JPY in_stock: true reviews_count: 9 category: "Brace Direct" url: https://www.desertcart.jp/products/592806197-orthopro-hyperex-knee-brace-for-hyperextension-and-instability-l1850 store_origin: JP region: Japan --- # Inflatable air bladder for hyperextension control Adjustable fit for thigh sizes 9-31" Lightweight design at 0.43 kg for all-day comfort OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 **Brand:** brace direct **Price:** ¥71045 **Availability:** ✅ In Stock ## Summary > 🦵 Step Confidently: Stability Meets Comfort in Every Move ## Quick Answers - **What is this?** OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 by brace direct - **How much does it cost?** ¥71045 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/592806197-orthopro-hyperex-knee-brace-for-hyperextension-and-instability-l1850) ## Best For - brace direct enthusiasts ## Why This Product - Trusted brace direct brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless On & Off:** User-friendly design with supplementary Velcro straps makes daily application and removal a breeze. - • **Unmatched All-Day Comfort:** Lightweight neoprene blend brace designed for extended wear without compromising stability or breathability. - • **Precision Fit for Every Knee:** Customizable sizing ensures a perfect, secure fit from small to XL—no slipping, no guesswork. - • **Dynamic Hyperextension Control:** Adjustable pneumatic air bladder behind the knee actively prevents hyperextension while promoting natural movement. - • **Personalized Professional Support:** Free video fitting session with Brace Direct experts guarantees your brace fits like a glove—because your knee deserves the best. ## Overview The OrthoPro HyperEx Knee Brace by Brace Direct is a lightweight, hinged stabilizer designed to prevent knee hyperextension and instability. Featuring an adjustable pneumatic air bladder for dynamic support, it fits thigh circumferences from 9 to 31 inches and offers all-day comfort with a breathable neoprene blend. Ideal for conditions like genu recurvatum, EDS, and post-stroke muscle weakness, it includes free professional fitting via video to ensure optimal performance and personalized support. ## Description Buy OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 | Hinged Knee Stabilizer That Prevents Buckling & Genu Recurvatum, EDS & Post Stroke Muscle Weakness Support (M: Right) on desertcart.com ✓ FREE SHIPPING on qualified orders Review: Caring business and people. - The 5 star rating is based on product and customer experience. This is my second brace of this model and it works very well with the hyper extension of my left knee. My reason for the 2nd brace was because I needed to use it in the showers and didn’t want to wait for it to dry before using it again. Even showering with the brace (not recommended by the manufacturer) my first brace has held up beautifully, Velcro and all. After using my second brace all was well for the first 5 months, but then the Velcro on the top strap started to have less grip and releasing. I contacted the business and after a few emails and a couple of pictures they sent me a new replacement brace. They didn’t ask to see it before believing me, they just sent a replacement and sent a mailing label and asked that I return the old brace. They have my business and loyalty as long as I need a brace. Highly recommend this business. Review: Potential for breaking - This is Probably the best brace on the market for Genu Recurvatum; however, while it offers good resistance to posterior stress such as hyper extension of the knee, it may fracture in the midline of the posterior supporting structure along the level of the bolt placement. With the first fracture, I simply ordered a second brace and thinking that I might have received a faulty one the first time. Nonetheless, the second brace fractured in the same place. The fracturing occurred when I was not wearing the brace and had simply laid each brace down on a table. I think that there may have been posterior to anterior tension that caused the fracture in that the brace may not be reinforced well enough to Resist that direction of pressure. Currently, I have salvaged the most recent brace by placing a stack of three modified Wooden tongue depressors anterior and posterior to the point of fracture and securing these in place with electrical tape. For the time being, this seems to be working and providing adequate support against the genu recurvatum, as well as the pressure in the opposite direction when laying the brace down. I am a physician and commonly prescribe braces and orthotics for my patients. I have Genu Recuvatum (MS related) and have tried many braces to help with this. I believe this brace is the best one in this price range. Just be aware that it may break and you can salvage it. I would recommend that the manufacturers consider using a light weight metal for the posterior support or reconsider the placement of the posterior bolt through the composite plastic material they currently use. The bolt placement may be creating an unintended point of weakness that leads to fracturing. ## Features - ❗ Find Your Fit – Measure 6" above the center of your knee for thigh circumference: Small (9–13"), Medium (14–19"), Large (20–25"), X-Large (26–31"). - ✅ Hyperextension Protection & Support – The adjustable air bladder behind the knee helps control hyperextension and promotes natural flexion for a smoother gait. - ✅ All-Day Comfort – Lightweight and designed for extended wear, the brace offers lasting comfort without sacrificing stability. - ✅ Easy On & Off – User-friendly design ensures quick application and removal, making it ideal for everyday use. - ✅ PERSONALIZED SUPPORT: Reach out to Brace Direct (an American Owned Company) to schedule an appointment with a fitting professional for a free video fitting and adjustment session to achieve the perfect fit. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPK8HPJF | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #123,181 in Health & Household ( See Top 100 in Health & Household ) #568 in Knee Braces | | Brand | Brace Direct | | Brand Name | Brace Direct | | Color | Black | | Customer Reviews | 3.5 out of 5 stars 95 Reviews | | Included Components | Orthopedic Brace || Pneumatic Air Bladder || IFU || Supplementary Velcro Straps | | Item Highlight | Hinged Knee Stabilizer That Prevents Buckling & Genu Recurvatum, EDS & Post Stroke Muscle Weakness Support (M: Right) | | Item Weight | 0.43 kg | | Manufacturer | Brace Direct | | Material | Neoprene Blend | | Number of Items | 1 | | Part Number | KNB336-M-Right | | Product Care Instructions | Hand Wash Only | | Size | M | | Specific Uses For Product | Hyperextension, Knee Instability, Neuromuscular Weakness | | Sport Type | Walking | | Target Use Body Part | Knee | | UPC | 637609761829 | | Unit Count | 1 Count | | Use for | Knee | ## Product Details - **Age Range (Description):** Adult - **Brand:** Brace Direct - **Size:** M - **Specific Uses For Product:** Knee Hyperextension, Knee Instability, Neuromuscular Weakness - **Use for:** Knee ## Images ![OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 - Image 1](https://m.media-amazon.com/images/I/714j7DVTwvL.jpg) ![OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 - Image 2](https://m.media-amazon.com/images/I/71gd6quOgnL.jpg) ![OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 - Image 3](https://m.media-amazon.com/images/I/81Ug4+6fiDL.jpg) ![OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 - Image 4](https://m.media-amazon.com/images/I/81yFlTHhzVL.jpg) ![OrthoPro HyperEx Knee Brace for Hyperextension & Instability L1850 - Image 5](https://m.media-amazon.com/images/I/71RGe62EETL.jpg) ## Questions & Answers **Q: Does this knee brace for hyperextension have hinges?** A: No. The rigid 10 in. frame has no hinge. Your knee can still bend so you can sit and walk. **Q: Who is this hyperextension knee brace for?** A: Adults whose knee bends backward past straight when they walk, also called knee hyperextension or genu recurvatum. **Q: Do I need a left or right knee stabilizer?** A: Order the side that matches the affected knee. The air valve and buckles sit on the outer side of the leg. **Q: How do I size this knee hyperextension brace?** A: Measure around your thigh 6 in. above the center of the kneecap. S fits 9-13 in., M 14-19 in., L 20-25 in., XL 26-31 in. **Q: How much air should I add to the air bladder?** A: Add small amounts until the bladder cushions the back of your knee, then walk and adjust. Always release the air before you take it off. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Caring business and people. *by J***H on June 19, 2026* The 5 star rating is based on product and customer experience. This is my second brace of this model and it works very well with the hyper extension of my left knee. My reason for the 2nd brace was because I needed to use it in the showers and didn’t want to wait for it to dry before using it again. Even showering with the brace (not recommended by the manufacturer) my first brace has held up beautifully, Velcro and all. After using my second brace all was well for the first 5 months, but then the Velcro on the top strap started to have less grip and releasing. I contacted the business and after a few emails and a couple of pictures they sent me a new replacement brace. They didn’t ask to see it before believing me, they just sent a replacement and sent a mailing label and asked that I return the old brace. They have my business and loyalty as long as I need a brace. Highly recommend this business. ### ⭐⭐⭐ Potential for breaking *by M***E on November 21, 2024* This is Probably the best brace on the market for Genu Recurvatum; however, while it offers good resistance to posterior stress such as hyper extension of the knee, it may fracture in the midline of the posterior supporting structure along the level of the bolt placement. With the first fracture, I simply ordered a second brace and thinking that I might have received a faulty one the first time. Nonetheless, the second brace fractured in the same place. The fracturing occurred when I was not wearing the brace and had simply laid each brace down on a table. I think that there may have been posterior to anterior tension that caused the fracture in that the brace may not be reinforced well enough to Resist that direction of pressure. Currently, I have salvaged the most recent brace by placing a stack of three modified Wooden tongue depressors anterior and posterior to the point of fracture and securing these in place with electrical tape. For the time being, this seems to be working and providing adequate support against the genu recurvatum, as well as the pressure in the opposite direction when laying the brace down. I am a physician and commonly prescribe braces and orthotics for my patients. I have Genu Recuvatum (MS related) and have tried many braces to help with this. I believe this brace is the best one in this price range. Just be aware that it may break and you can salvage it. I would recommend that the manufacturers consider using a light weight metal for the posterior support or reconsider the placement of the posterior bolt through the composite plastic material they currently use. The bolt placement may be creating an unintended point of weakness that leads to fracturing. ### ⭐ Not worth it for price *by B***S on January 25, 2026* Baught in September and worked just fine until it broke. ## Frequently Bought Together - Brace Direct OrthoPro HyperEx Knee Brace - L1850- Adjustable and Comfortable Support for Knee Hyperextension - OCSI - DOUKOM Knee Brace Undersleeve for Men & Women, Leg Sleeves for for Under Brace Closed Patella Protects Skin from Abrasions and Irritations --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/592806197-orthopro-hyperex-knee-brace-for-hyperextension-and-instability-l1850](https://www.desertcart.jp/products/592806197-orthopro-hyperex-knee-brace-for-hyperextension-and-instability-l1850) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-01*