donjoy knee braces
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Great$81.09avg listing price — sweet spot $15–$100
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Market size
Good$379K$379K/yr · 277K searches
Price range
Okay$24.22–$180.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,873.19avg incumbent reviews — the moat a new listing must climb
Growth
Bad-3.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Returns
Bad8.2%return rate — above 5% kills the launch gate
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, donjoy knee braces is a $379K/yr Amazon United States market (277K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 42/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
donjoy knee braces market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $324K–$405K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #467
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 91%
- Out of stock
- 0.0%
- Avg brand age
- 56 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
31
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
49%
Top 20: 90%
Open market
1%
- DonJoy48%
- DonJoy Performance45%
- NEENCA3%
- EXOUS BODYGEAR2%
- DR. BRACE2%
- Ovation Medical1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top donjoy knee braces search terms
- donjoy knee braces100K/yr
- donjoy24K/yr
- don joy knee brace for men25K/yr
- donjoy knee brace29K/yr
- don joy knee brace for women16K/yr
- donjoy performance bionic knee brace10K/yr
- donjoy playmaker ii knee brace9K/yr
- donjoy playmaker ii6K/yr
- donjoy hinged knee brace12K/yr
- donjoy knee7K/yr
Top donjoy knee braces products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DonJoy Performance Bionic FullStop Knee Brace - Large
DonJoy Performance$173.824.1★877 rev
DonJoy Drytex Sport Hinged Knee Brace Breathable Adjustable Support for Ligament Injuries (Large)
DonJoy$67.814.2★620 rev
DonJoy Tru-Pull Lite Knee Brace for Patella Instabilities & Dislocations - Bifurcated Strap and Dual-Durometer Buttress Medium Right
DonJoy$67.334.1★1,149 rev
DonJoy Performance Bionic Hinged Knee Brace - Bilateral Ligament Protection for Hyperextension Sprains Meniscus Injury - Black Medium
DonJoy Performance$49.984.2★1,558 rev
DonJoy Performance Bionic Knee Support Brace: Black Large
DonJoy Performance$56.134.2★1,558 rev
Newest
by launch date
NEENCA Professional Knee Brace for Knee Pain Hinged Knee Support with Patented X-Strap Fixing System Medical for Pain Relief Arthritis Meniscus Tear ACL PCL MCL Runner Sport
NEENCA$54.932,573 rev
DR. BRACE ELITE Knee Brace with Side Stabilizers & Patella Gel Pads for Maximum Knee Pain Support and fast recovery for men and women-Please Check How To Size Video (Mercury Large)
DR. BRACE$26.0724,814 rev
Ovation Medical Game Changer Unloader Left Knee Brace - Lightweight Low Profile OA Knee Brace for Arthritis Pain and Support - Premium Knee Support for Medial and Lateral Knee Pain (Left)
Ovation Medical$134.17767 rev
DonJoy Drytex Sport Hinged Knee Brace Breathable Adjustable Support for Ligament Injuries (Large)
DonJoy$67.81620 rev
DonJoy Performance Bionic Drytex Hinged Knee Sleeve Medium
DonJoy Performance$55.97336 rev
Trending
90-day click momentum
DonJoy Playmaker II Spacer Donut - X-Large
DonJoy$174.494.1★
DonJoy Playmaker II Spacer Donut - Medium
DonJoy$167.654.1★
DonJoy Drytex Sport Hinged Knee Brace Breathable Adjustable Support for Ligament Injuries (Large)
DonJoy$67.814.2★
DonJoy Tru-Pull Lite Knee Brace for Patella Instabilities & Dislocations - Bifurcated Strap and Dual-Durometer Buttress Medium Right
DonJoy$67.334.1★
DonJoy Reaction Web Knee Support Brace with Compression Undersleeve Absorbs Shock to Relive Pain - Pink X-Small/Small
DonJoy$59.173.8★
What buyers say about donjoy knee braces
What buyers praise and complain about, mined from review topics.What buyers love
“Fits nicely and as advertised”
“Good quality and easy to put on too”
“Helped greatly with my knee pain”
“Comfortable and supportive”
“It has been fairly effective”
“Easy to use”
“As advertised”
“Light and strong support”
“No pain all day”
“Good Value”
What buyers complain about
“Not true to size”
“strap is uncomfortable”
“Didnt last”
“I returned it because it was not comfortable to wear”
“Painful as hell”
“Price too high for quality”
“minimal usage it no longer functions”
“Adjustments never fixed angle it dug into side of my knee joint”
“Much too hard to use”
“It did tend to slip a little so needs to be very tight”
Top return reasons
Common questions
- Is donjoy knee braces profitable to sell on Amazon United States?
- The niche generates $379K/yr across 32 tracked products. 90-day search growth is -3.2%. Flapen's verdict: Skip it (42/100).
- How competitive is the donjoy knee braces niche?
- 7 brands and 31 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in donjoy knee braces?
- Top complaints mined from reviews: Size-Overall, Strap/String Quality, Durability. The return rate is 8.2% — above our launch gate.
- When does demand for donjoy knee braces peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the donjoy knee braces niche?
- Listings span $24.22–$180.12; the average listing price is $81.09 (sweet spot $15–$100). The average incumbent carries 1,873 reviews — the moat a new listing must climb.