---
title: "Super King Down Comforter — $71K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/super-king-down-comforter"
last_updated: "2026-08-07T21:54:50.180Z"
locale: en
meta:
  description: "Niche score 36/100 · $71K/yr market · 34K searches/yr · $103.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 36/100 · $71K/yr market · 34K searches/yr · $103.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Super King Down Comforter — $71K/yr Amazon US Niche (2026) - Flapen"
---

# **super king down comforter**

**Skip it**

A deep review moat (28,436 avg reviews) — this niche doesn't clear our bar today.

Market size 18Growth 20Conversion 25Competition 44Returns 57Price range 46Avg price 74Brand share 47Review moat 12Quality gap 48

**Avg price**

**Good****$103.42**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.7%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****77%**

top-5 brand share — brands hold most of the demand

**Price range**

**Okay****$26.52–$186.62**

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

**Competition**

**Okay****59%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Okay****2.0%**

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

**Growth**

**Bad****-10.6%**

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

**Market size**

**Bad****$71K**

$71K/yr · 34K searches

**Review moat**

**Bad****28,436.23**

avg incumbent reviews — the moat a new listing must climb

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, super king down comforter is a $71K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 36/100.

Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **super king down comforter market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$52K–$78K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#29**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**91%**</dd>

<dt>**Out of stock**</dt><dd>**17.2%**</dd>

<dt>**Avg brand age**</dt><dd>**44 months**</dd>

<dt>**Avg seller age**</dt><dd>**194 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**12 **▼falling

**Sellers**

**20**

**Top-5 brand share**

**77%**

Top 20: 100%

**Top-5 click share**

**59%**

Top 20: 98%

**Open market**

**15%**

- EGYPTIAN BEDDING19% - Bedsure18% - Serta16% - L LOVSOUL12% - STWIENER11% - APSMILE8% - Open — no brand owns it (6 brands, 15%)

## **Demand & seasonality**

Weekly Amazon search volume, last 97 weeks — -10.6% search growth over the last 90 days.

900700Spike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/home-kitchen/super-king-down-comforter/trend)

## **Top super king down comforter 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.

0%5%$4K10%$7K15%$11K20%$14K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 22 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Serta Goose Feathers Down Fiber Comforter Oversize King Duvet Insert 100% Cotton Cover Hotel Luxury Hypoallergenic Comforter All Season Medium Warmth 108 x 98 in White](https://m.media-amazon.com/images/I/41Lj6Cd2wjL.jpg)**Serta Goose Feathers Down Fiber Comforter Oversize King Duvet Insert 100% Cotton Cover Hotel Luxury Hypoallergenic Comforter All Season Medium Warmth 108 x 98 in White**Serta**$84.65**4.6★557 rev](https://www.amazon.com/dp/B0DT3Q3JQY) [2![Luxurious Oversized Super King 120 x 120 Size Goose Down Fiber Waterfowl Feather Fiber Comforter Duvet 100% Egyptian Cotton Cover 90 oz. Fill Weight Baffle Box Design White Solid](https://m.media-amazon.com/images/I/51DlAHHgNsL.jpg)**Luxurious Oversized Super King 120 x 120 Size Goose Down Fiber Waterfowl Feather Fiber Comforter Duvet 100% Egyptian Cotton Cover 90 oz. Fill Weight Baffle Box Design White Solid**EGYPTIAN BEDDING**$158.94**4.4★9,685 rev](https://www.amazon.com/dp/B0D56X698W) [3![L LOVSOUL Down Alternative Super King Comforter Duvet Insert All Season Duvet Insert with Corner Tabs White Comforter Super King 120x120Inches](https://m.media-amazon.com/images/I/41fwBM3qYUL.jpg)**L LOVSOUL Down Alternative Super King Comforter Duvet Insert All Season Duvet Insert with Corner Tabs White Comforter Super King 120x120Inches**L LOVSOUL**$74.65**4.6★9,735 rev](https://www.amazon.com/dp/B0CKMM97HD) [4![Oversized King Comforter 120x98 Extra Large Super King Spring Lightweight Soft Quilted Down-Alternative Duvet Insert Fluffy Breathable Microfiber with 8 Corner Tabs All Season Bedding White](https://m.media-amazon.com/images/I/418M0Fkqi-L.jpg)**Oversized King Comforter 120x98 Extra Large Super King Spring Lightweight Soft Quilted Down-Alternative Duvet Insert Fluffy Breathable Microfiber with 8 Corner Tabs All Season Bedding White**STWIENER**$51.28**4.6★1,987 rev](https://www.amazon.com/dp/B0BVR74Z5G) [5![Bedsure Comforter Duvet Insert - Quilted Comforters King Size All Season Duvet GentleSoft Down Alternative Bedding Blanket with 8 Tabs Gifts for Women/Men White King 90 x 102 Inches](https://m.media-amazon.com/images/I/41qlrURtX8L.jpg)**Bedsure Comforter Duvet Insert - Quilted Comforters King Size All Season Duvet GentleSoft Down Alternative Bedding Blanket with 8 Tabs Gifts for Women/Men White King 90 x 102 Inches**Bedsure**$48.06**4.7★76,760 rev](https://www.amazon.com/dp/B07YKLXB3Y)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![L LOVSOUL Organic 75% Down Fiber Comforter Super King Size 850+FP 1200TC Extra Fluffy Hotel Style Luxury Ultra Soft All Season White Duvet Insert with 8 Corner Tabs](https://m.media-amazon.com/images/I/412OFHhj-wL.jpg)**L LOVSOUL Organic 75% Down Fiber Comforter Super King Size 850+FP 1200TC Extra Fluffy Hotel Style Luxury Ultra Soft All Season White Duvet Insert with 8 Corner Tabs**L LOVSOUL**$158.51**140 rev9mo ago](https://www.amazon.com/dp/B0FVVSBRYK) [![Royoliving Premium Feathers Down Duvet Insert Comforter King Size All Season Medium Warmth White 100% Cotton Cover with Corner Tabs (106x90 60 oz)](https://m.media-amazon.com/images/I/41thm-KFquL.jpg)**Royoliving Premium Feathers Down Duvet Insert Comforter King Size All Season Medium Warmth White 100% Cotton Cover with Corner Tabs (106x90 60 oz)**Royoliving**$126.71**465 rev9mo ago](https://www.amazon.com/dp/B0GHMY9PSC) [![Luxurious All-Season Goose Down Feather Fiber Comforter Super King Size Duvet Insert (120x120) Exquisite Pinch Pleat Design- White Premium Baffle Box 100% Egyptian Cotton Cover 85 oz. Fill Weight](https://m.media-amazon.com/images/I/41mCfSW7qcL.jpg)**Luxurious All-Season Goose Down Feather Fiber Comforter Super King Size Duvet Insert (120x120) Exquisite Pinch Pleat Design- White Premium Baffle Box 100% Egyptian Cotton Cover 85 oz. Fill Weight**EGYPTIAN BEDDING**$147.85**8,464 rev10mo ago](https://www.amazon.com/dp/B0FQ5PF264) [![APSMILE Super King Duvet Insert Down Feather Fibers Comforter-All Season](https://m.media-amazon.com/images/I/410mUEShOUL.jpg)**APSMILE Super King Duvet Insert Down Feather Fibers Comforter-All Season**APSMILE**$186.62**135 rev12mo ago](https://www.amazon.com/dp/B0FJLXL681) [![APSMILE Lightweight Duvet Insert Super King Down Feather Fibers Comforter](https://m.media-amazon.com/images/I/41DTRGw7mBL.jpg)**APSMILE Lightweight Duvet Insert Super King Down Feather Fibers Comforter**APSMILE**$156.71**135 rev1y ago](https://www.amazon.com/dp/B0F5GZV5RF)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![L LOVSOUL Organic 75% Down Fiber Comforter Super King Size 850+FP 1200TC Extra Fluffy Hotel Style Luxury Ultra Soft All Season White Duvet Insert with 8 Corner Tabs](https://m.media-amazon.com/images/I/412OFHhj-wL.jpg)**L LOVSOUL Organic 75% Down Fiber Comforter Super King Size 850+FP 1200TC Extra Fluffy Hotel Style Luxury Ultra Soft All Season White Duvet Insert with 8 Corner Tabs**L LOVSOUL**$158.51**4.6★**▲ 229%**](https://www.amazon.com/dp/B0FVVSBRYK) [![Bedsure Comforter Duvet Insert - Quilted Comforters Queen Size All Season Duvet GentleSoft Down Alternative Bedding Blanket with 8 Tabs Gifts for Women/Men White Queen 88 x 88 Inches](https://m.media-amazon.com/images/I/41Ir92w6fhL.jpg)**Bedsure Comforter Duvet Insert - Quilted Comforters Queen Size All Season Duvet GentleSoft Down Alternative Bedding Blanket with 8 Tabs Gifts for Women/Men White Queen 88 x 88 Inches**Bedsure**$31.47**4.7★**▲ 99%**](https://www.amazon.com/dp/B07YKLSMFM) [![Royoliving Premium Feathers Down Duvet Insert Comforter King Size All Season Medium Warmth White 100% Cotton Cover with Corner Tabs (106x90 60 oz)](https://m.media-amazon.com/images/I/41thm-KFquL.jpg)**Royoliving Premium Feathers Down Duvet Insert Comforter King Size All Season Medium Warmth White 100% Cotton Cover with Corner Tabs (106x90 60 oz)**Royoliving**$126.71**4.1★**▲ 89%**](https://www.amazon.com/dp/B0GHMY9PSC) [![Utopia Bedding Queen Comforter Duvet Insert Quilted White Comforter with Corner Tabs Box Stitched Down Alternative Comforters Queen Size 88 x 88 inches](https://m.media-amazon.com/images/I/41VXWSOIIJL.jpg)**Utopia Bedding Queen Comforter Duvet Insert Quilted White Comforter with Corner Tabs Box Stitched Down Alternative Comforters Queen Size 88 x 88 inches**Utopia Bedding**$26.52**4.6★**▲ 82%**](https://www.amazon.com/dp/B00S1TC442) [![Serta Goose Feathers Down Fiber Comforter Oversize King Duvet Insert 100% Cotton Cover Hotel Luxury Hypoallergenic Comforter All Season Medium Warmth 108 x 98 in White](https://m.media-amazon.com/images/I/41Lj6Cd2wjL.jpg)**Serta Goose Feathers Down Fiber Comforter Oversize King Duvet Insert 100% Cotton Cover Hotel Luxury Hypoallergenic Comforter All Season Medium Warmth 108 x 98 in White**Serta**$84.65**4.6★**▲ 81%**](https://www.amazon.com/dp/B0DT3Q3JQY)

**~~View all trending →~~**

## **What buyers say about super king down comforter**

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

### **What buyers love **

**Comfort-Overall**17%

*“Love the comfort”*

**Warmth**12%

*“Keeps you warm”*

**Quality-Overall**11%

*“Is a really good quality and fluffy”*

**Soft Feel**10%

*“Soft and fluffy”*

**Value For Money**7%

*“Amazing price”*

**Weight Light**6%

*“This comforter is warm and lightweight”*

**Size-Overall**5%

*“Fits Perfect”*

**Fluffiness**5%

*“Nice and fluffy”*

**Advertised Vs Actual Product**3%

*“As advertised”*

**Color**2%

*“THE COLOR IS GREAT”*

### **What buyers complain about **

**Thickness**8%

*“be very thick however”*

**Size-Overall**8%

*“which is huge”*

**Quality-Overall**7%

*“Mid to low quality”*

**Fluffiness**6%

*“Flat not fluffy”*

**Smell**4%

*“this smell is rancid”*

**Durability**3%

*“Does not last”*

**Value For Money**3%

*“I now know why this product is priced lower”*

**Noise Level**3%

*“Loud”*

**Comfort-Overall**3%

*“Not as comfy as I was hoping for”*

**Warmth**3%

*“Not the warmest”*

### **Top return reasons **

**Size-Overall**33%

**Thin**7%

**Comfort-Overall**7%

**Warmth**7%

**Material Quality**6%

**Advertised Vs Actual Product**6%

**Weight Heavy**4%

**Value For Money**4%

**Quality-Overall**4%

**Fluffiness**3%

## **Common questions**

<dl>

<dt>**Is super king down comforter profitable to sell on Amazon United States?**</dt><dd>The niche generates $71K/yr across 22 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -10.6%. Flapen's verdict: Skip it (36/100).</dd>

<dt>**How competitive is the super king down comforter niche?**</dt><dd>12 brands and 20 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 77% of demand.</dd>

<dt>**What do buyers complain about in super king down comforter?**</dt><dd>Top complaints mined from reviews: Thickness, Size-Overall, Quality-Overall. The return rate is 2.7%.</dd>

<dt>**When does demand for super king down comforter peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the super king down comforter niche?**</dt><dd>Listings span $26.52–$186.62; the average listing price is $103.42 (sweet spot $15–$100). The average incumbent carries 28,436 reviews — the moat a new listing must climb.</dd>

</dl>

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