--- product_id: 273540023 title: "DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium" brand: "djo" price: "9207 kr" currency: ISK in_stock: true reviews_count: 5 category: "Djo" url: https://www.desertcart.is/products/273540023-djo-medium-donjoy-reaction-compression-support-knee-brace-undersleeve-medium store_origin: IS region: Iceland --- # Precision fit for thigh & calf 85% nylon/15% spandex blend Extends knee brace lifespan DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium **Brand:** djo **Price:** 9207 kr **Availability:** ✅ In Stock ## Summary > 🦵 Elevate your knee game—comfort and support that won’t quit! ## Quick Answers - **What is this?** DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium by djo - **How much does it cost?** 9207 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/273540023-djo-medium-donjoy-reaction-compression-support-knee-brace-undersleeve-medium) ## Best For - djo enthusiasts ## Why This Product - Trusted djo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durability Booster:** Protects and extends the life of your knee brace investment - • **Moisture-Wicking Tech:** Keeps skin dry and irritation-free during intense activity - • **Next-Level Comfort Fit:** Runs small—size up for perfect support and all-day wearability - • **Seamless Compatibility:** Designed exclusively for DonJoy Reaction WEB & OA Reaction WEB braces - • **Lightweight & Low-Profile:** Barely-there feel with maximum knee protection ## Overview The DonJoy Reaction Knee Undersleeve Replacement in Medium is crafted from a high-performance 85% nylon and 15% spandex blend, engineered to fit snugly around your thigh and calf for optimal support. Compatible with DonJoy Reaction WEB and OA Reaction WEB knee braces, it extends the life of your brace while providing moisture-wicking comfort to prevent chafing and skin irritation. Lightweight and low-profile, this undersleeve is a must-have for active professionals who demand durability and discreet protection. ## Description The DonJoy Reaction Knee Undersleeve replacement is made of 85% nylon/15% spandex. Compatible with the DonJoy Reaction WEB and the DonJoy OA Reaction WEB knee braces. To ensure a proper fit, take the measurement of your thigh and calf, 6 inches above and below your kneecap using a flexible type tape measure. Use the circumference you measure to choose your size. The DonJoy Reaction Undersleeve runs small. Should you measure between sizes, we recommend going up one size for optimum comfort and fit. Review: EXCELLENT in EVERY WAY! Review: Compare with "Donjoy Knee Brace Undersleeve, Closed Patella" ## Features - The DonJoy Reaction Knee Undersleeve replacement is made of 85% nylon/15% spandex - Compatible with the DonJoy Reaction WEB and the DonJoy OA Reaction WEB knee braces - When used, helps extend the life your knee brace ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00NOW5PH4 | | Age Range Description | Adult | | Age range (description) | Adult | | Best Sellers Rank | #165,155 in Health ( See Top 100 in Health ) #1,232 in Knee Braces | | Brand | DJO | | Brand Name | DJO | | Closure Type | No laces | | Color | Medium | | Colour | Medium | | Customer Reviews | 4.4 out of 5 stars 169 Reviews | | Global Trade Identification Number | 00888912055482 | | Item Dimensions | 22.9 x 0.6 x 20.3 centimeters | | Item Weight | 0.1 Pounds | | Manufacturer | DJO | | Material | Nylon | | Model Name | Reaction Knee Brace Undersleeve Replacement | | Model Number | DJ141KS12-M | | Number of Items | 1 | | Part Number | DJ141KS12-M | | Product Care Instructions | Hand Wash Only | | Size | M | | Special Features | Wicking | | Specific Uses For Product | Chafing, Skin Irritation | | Specific uses for product | Chafing, Skin Irritation | | Sport Type | Walking | | Target Use Body Part | Knee | | UPC | 888912055482 | | Unit Count | 1 Count | | Use for | Knee | ## Product Details - **Age range (description):** Adult - **Brand:** DJO - **Size:** M - **Specific uses for product:** Chafing, Skin Irritation - **Use for:** Knee ## Images ![DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium - Image 1](https://m.media-amazon.com/images/I/71z2PNu9D1L.jpg) ![DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium - Image 2](https://m.media-amazon.com/images/I/71ee0QoU9YL.jpg) ![DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium - Image 3](https://m.media-amazon.com/images/I/6157u8flMaL.jpg) ![DJO (Medium) - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium - Image 4](https://m.media-amazon.com/images/I/616V+eu8fZL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: where are the size measurment instructions? it says measure 6 inches above and below knee, but it doesnt have a size chart telling you which ... ?** A: The size chart is among the product photos. Not super helpful. **Q: Are these sleeves, size large, black and gray (as pictured) or all black? if black and gray (as pictured) i will order 2.** A: They are gray and black as pictured. **Q: My thigh measures 23 1/2 do I need to buy a large or xlarge?** A: Are you wanting more compression or is it an under brace sleeve? I would go with the large. **Q: I have a medium/large brace and the sleeve that is included. I need a larger sleeve. What comes with it, medium or large?** A: I have a large brace and bought an additonal extra large sleeve because the large was small. ## Customer Reviews ### ⭐⭐⭐⭐⭐ EXCELLENT in EVERY WAY! *by K***A on 14 June 2025* ### ⭐⭐⭐⭐ Compare with "Donjoy Knee Brace Undersleeve, Closed Patella" *by T***G on 22 August 2022* ### ⭐⭐⭐⭐⭐ Fits perfectly *by C***T on 30 November 2025* ## Frequently Bought Together - DonJoy Reaction Compression Support: Knee Brace Undersleeve, Medium - DonJoy Knee Brace Undersleeve, Closed Patella, Medium - DonJoy Reaction Web Knee Support Brace with Compression Undersleeve: Blue, Medium/Large --- ## 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.is/products/273540023-djo-medium-donjoy-reaction-compression-support-knee-brace-undersleeve-medium](https://www.desertcart.is/products/273540023-djo-medium-donjoy-reaction-compression-support-knee-brace-undersleeve-medium) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-05-06*