Is sully brace profitable to sell on Amazon United States?

The niche generates $118K/yr across 14 tracked products. 90-day search growth is -32.1%. Flapen's verdict: Skip it (32/100).

How competitive is the sully brace niche?

7 brands and 19 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 97% of demand.

What do buyers complain about in sully brace?

Top complaints mined from reviews: Size-Overall, Comfort-Overall, Pain Relief-Overall. The return rate is 9.1% — above our launch gate.

When does demand for sully brace peak?

Demand peaks in Jan–Sep–Oct; the busiest month runs 2.6× the quietest.

What does it cost to enter the sully brace niche?

Listings span $19.86–$146.58; the average listing price is $84.66 (sweet spot $15–$100). The average incumbent carries 3,903 reviews — the moat a new listing must climb.

sully brace

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Great$84.66

avg listing price — sweet spot $15–$100

Price range

Good$19.86–$146.58

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Okay2.8%

search→purchase rate — share of searches ending in a sale

Market size

Okay$118K

$118K/yr · 50K searches

Review moat

Okay3,903.07

avg incumbent reviews — the moat a new listing must climb

Competition

Bad75%

top-5 click share — a locked-up shelf

Returns

Bad9.1%

return rate — above 5% kills the launch gate

Growth

Bad-32.1%

90-day search growth — must beat 0% to launch

Brand share

Bad97%

top-5 brand share — brand-locked demand

Signals Quality Gap High Returns High Price

According to Flapen's Amazon United States niche tracking, sully brace is a $118K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jan–Sep–Oct. Verdict: Skip it — 32/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

sully brace market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $85K–$106K; units × avg price
Conversion rate: 2.8%
Avg BSR: #98
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 5.9%
Avg brand age: 63 months
Avg seller age: 138 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

Saunders54%
DonJoy33%
Kmeivol6%
FIGHTECH3%
EVS2%
Copper Compression2%
Open — no brand owns it (1 brand, 1%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -32.1% search growth over the last 90 days.

Peak months: Jan, Sep, Oct · busiest ÷ quietest = 2.6×

Open Trend

Top sully brace search terms

sully shoulder brace18K/yr -38.5%2.2% conv.
sully brace11K/yr -19.2%1.6% conv.
donjoy sully shoulder brace8K/yr -35.7%1.2% conv.
donjoy shoulder brace5K/yr -19.6%1.8% conv.
sully shoulder stabilizer brace4K/yr -29.1%1.1% conv.
sully brace right shoulder4K/yr -34.3%2.6% conv.

All search terms

Top sully brace 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Sully Shoulder Stabilizer Brace for Posterior Instabilities Muscle Strains Rotator Cuff Deceleration Anterior Instabilities Inferior Instabilities and Multi-Directional Instabilities Various Sizes Large

Saunders$146.583.4★80 rev

DonJoy Shoulder Stabilizer Shoulder Pad Attachment (SPA) - Medium

DonJoy$95.334.0★61 rev

Saunders$129.234.5★31 rev

Saunders Sully Shoulder Support Brace X-Small

Saunders$120.333.3★30 rev

Komoko Shoulder Brace Rotator Cuff Support Brace and Arm Sling for Pain Relief Shoulder Compression Sleeve for Preventing Strains and Dislocation Adjustable Fits Left and Right Arm Men & Women

Kmeivol$19.954.0★3,808 rev

Newest

by launch date

Komoko Shoulder Brace Rotator Cuff Support Brace and Arm Sling for Pain Relief Shoulder Compression Sleeve for Preventing Strains and Dislocation Adjustable Fits Left and Right Arm Men & Women

Kmeivol$19.953,808 rev

2y ago

DonJoy Braces UltraSling PRO Shoulder Immobilizer & Rotator Cuff Injury Sling (No pressure on neck) (11-0447-9)

DonJoy$108.14214 rev

4y ago

Sparthos Shoulder Brace - Adjustable Support Sleeve for Torn Rotator Cuff AC Joint Relief Shoulder Stability & Compression - Fits Bicep 10-14 in Left or Right Men & Women - Measure Before Purchase

Sparthos$19.8619,173 rev

6y ago

Copper Compression Recovery Shoulder Brace - Immobilizer for Torn Rotator Cuff AC Joint Pain Relief Dislocation Arm Stability Injuries Tears - Adjustable Fits Men Women - Black - S/M

Copper Compression$23.9213,537 rev

8y ago

FIGHTECH Rotator Cuff Shoulder Brace for Men and Women - 4 Sizes - Shoulder Support - Pain Relief - Black - Large - Fits Most Men Bicep 12-17

FIGHTECH$29.9716,422 rev

8y ago

What buyers say about sully brace

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall12%

“It fits as stated”

Quality-Overall12%

“quality and easy to use”

Support-Overall9%

“Helps support”

Comfort-Overall7%

“And COMFORTABLE”

Ease Of Use7%

“Easy to use”

Efficiency5%

“Works well”

Advertised Vs Actual Product4%

“Works as advertised”

Value For Money4%

“Great price”

Joint Pain3%

“The design basically relieves pain by isolating any weight on the joint”

Posture Enhancer3%

“This worked to mobilize my shoulder”

What buyers complain about

Size-Overall16%

“Doesnt fit snug”

Comfort-Overall10%

“Not comfortable to wear didn't really help much”

Pain Relief-Overall9%

“This actually made my shoulder hurt worse”

Strap/String Quality8%

“the strap is cheap”

Quality-Overall4%

“Not quite satisfied with the quality”

Velcro Quality4%

“the velcro won't hold”

Ease Of Use4%

“hard to use”

Functionality-Overall4%

“This doesn't do anything”

Value For Money4%

“For the price I shouldve known better”

Design-Overall4%

“Bad Design”

Top return reasons

Size-Overall39%

Comfort-Overall13%

Functionality-Overall10%

Advertised Vs Actual Product9%

Joint Pain6%

Strap/String Quality5%

Pain Relief-Overall3%

Support-Overall2%

Compression1%

Ease Of Use1%

Common questions

Is sully brace profitable to sell on Amazon United States?: The niche generates $118K/yr across 14 tracked products. 90-day search growth is -32.1%. Flapen's verdict: Skip it (32/100).
How competitive is the sully brace niche?: 7 brands and 19 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in sully brace?: Top complaints mined from reviews: Size-Overall, Comfort-Overall, Pain Relief-Overall. The return rate is 9.1% — above our launch gate.
When does demand for sully brace peak?: Demand peaks in Jan–Sep–Oct; the busiest month runs 2.6× the quietest.
What does it cost to enter the sully brace niche?: Listings span $19.86–$146.58; the average listing price is $84.66 (sweet spot $15–$100). The average incumbent carries 3,903 reviews — the moat a new listing must climb.