will this fit left or right knee?

It should fit both knees. It is designed for both of them. The sleeve knee braces are where you have to select which knee if I'm not mistaken.

My thigh 19, knee 15.5, calf 15.1. thigh n calf meets m size, but knee is an l. which one should i ordr?

My knee support has a surprising range of adjustability. That said, my choice would be the large; I hope that helps with your decision. My brace is working very well for alpine skiing and has made it possible to continue in a sport I enjoy.

What are the butterfly strap measurements per size? Got a small and outer straps fit, but inner butterfly straps do not.

I’m not sure what you mean by butterfly straps there are 2 straps that you have to put through a little buckle and bring back around so it adheres to the Velcro. It is stretchy.

Does this knee brace have an opening behind the knee?

No only opening is area around knee cap

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DonJoy Performance Bionic Knee Brace (Black, Medium)

DonJoy Performance Bionic Knee Brace (Black, Medium)

Product ID: 21158372

Details

Age Range (Description)
Adult
Brand
DonJoy
Size
Medium
Specific Uses For Product
MCL and LCL
Use for
Legs

🎯TPR pull tabs & stretch webbing for precision fit

🦾Bilateral polycentric hinges for dynamic knee support

🌬️Perforated neoprene ensures max breathability

KD 30.80

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Description

🦵 Power your stride with precision and protection!

ALL DAY COMFORT - Wrap-around design combined with anti-migration tech keeps the brace comfortably in place without slipping.
CUSTOM PRECISION FIT - Top and bottom stretch webbing closures with TPR pull tabs deliver an adjustable, secure fit tailored to your movement.
ENGINEERED STABILITY - Bilateral polycentric hinges with hyperextension stops protect against knee instability and hyperextension.
STAY VISIBLE STAY SAFE - Reflective elements enhance low-light visibility, perfect for early morning or evening workouts.
BREATHE EASY PERFORM HARD - Perforated neoprene fabric maximizes airflow, reducing sweat and discomfort during intense activity.

The DonJoy Performance Bionic Knee Brace (Black, Medium) is a high-tech support solution designed for adults with MCL/LCL instabilities, knee hyperextension, and meniscus support needs. Featuring bilateral polycentric hinges, adjustable stretch webbing with TPR pull tabs, anti-slip technology, breathable perforated neoprene, and reflective accents, it offers a perfect blend of stability, comfort, and safety for active professionals seeking reliable knee protection.

Specifications

ASIN	B00YBSL8MG
ASIN	B00YBSL8MG
Age Range Description	Adult
Best Sellers Rank	#41,629 in Health & Household ( See Top 100 in Health & Household ) #178 in Knee Braces
Brand Name	DonJoy Performance
Closure Type	Hook & Loop
Color	Black
Customer Reviews	4.2 4.2 out of 5 stars (539)
Date First Available	May 27, 2015
Department	Unisex-Adult
Global Trade Identification Number	00888912066402
Included Components	Medical Brace
Item Dimensions	14.5 x 5.8 x 2.7 inches
Item Weight	0.45 kg
Item model number	DP151KB04-BLK-M
Manufacturer	DJO Global
Manufacturer	DJO Global
Material	Neoprene
Model Number	DP151KB04-BLK-M
Number of Items	1
Part Number	DP151KB04-BLK-M
Product Dimensions	14.5 x 5.8 x 2.7 inches; 15.87 ounces
Size	Medium
Specific Uses For Product	MCL and LCL Instabilities, Knee Hyperextension, General Meniscus Support
Target Use Body Part	Legs
UPC	888912066402
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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KD 30.80

Duties & taxes included

In stock

Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to KUWAIT.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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