---
title: "Down Mattress Topper King — $321K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/down-mattress-topper-king"
last_updated: "2026-08-10T10:57:37.801Z"
locale: en
meta:
description: "Niche score 32/100 · $321K/yr market · 91K searches/yr · $230.30 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $321K/yr market · 91K searches/yr · $230.30 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Down Mattress Topper King — $321K/yr Amazon US Niche (2026) - Flapen"
---
# **down mattress topper king**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 52Growth 43Conversion 19Competition 16Returns 21Price range 11Avg price 41Brand share 4Review moat 19Quality gap 76
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$321K**
$321K/yr · 91K searches
**Growth**
**Okay****+14.3%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****$230.30**
avg listing price — sweet spot $15–$100
**Returns**
**Bad****6.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****15,805.54**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$64.15–$401.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, down mattress topper king is a $321K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Apr–Jul. Verdict: Skip it — 32/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **down mattress topper king market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$288K–$345K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#181**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **85%**
- **Out of stock**
- **6.9%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**0%**
- Tempur-Pedic86% - Generic7% - SakuraHome2% - Linenspa2% - ELEMUSE2% - PERLECARE2%
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +14.3% search growth over the last 90 days.
3K2KSpike '24Black Friday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr, Jul · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/down-mattress-topper-king/trend)
## **Top down mattress topper king search terms**
- **serenity by tempur-pedic 3 inch mattress topper**6K/yr+147.8%0.1% conv. - **tempur adapt mattress topper**7K/yr+13.9%1.9% conv. - **temperpedic 3 topper mattress**5K/yr+63.0%0.7% conv. - **rv king mattress topper 70x80**5K/yr+43.7%0.8% conv. - **tempur-pedic tempur-adapt topper**7K/yr-11.0%0.7% conv. - **tempurpedic topper**7K/yr-3.5%0.7% conv. - **2 memory foam mattress topper king**5K/yr+4.9%1.5% conv. - **tempur adapt topper**5K/yr+48.0%1.8% conv. - **tempur-adapt topper**4K/yr-4.9%1.3% conv. - **serenity tempurpedic mattress topper**4K/yr+35.2%0.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/down-mattress-topper-king/search-terms)
## **Top down mattress topper king 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%10%$32K20%$64K30%$96K40%$128K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TEMPUR-Adapt (Supreme) 3 Memory Foam Mattress Topper King**Tempur-Pedic**$316.78**4.2★12,289 rev](https://www.amazon.com/dp/B00HEOBVOY) [2**TEMPUR-Adapt (Supreme) 3 Memory Foam Mattress Topper Queen White**Tempur-Pedic**$277.38**4.2★12,289 rev](https://www.amazon.com/dp/B00HEODIZY) [3**Tempur-Pedic TEMPUR-Adapt + Cooling 3-Inch Twin Mattress Topper Medium Luxury Premium Foam Washable Cover Medium Cooling Topper white**Tempur-Pedic**$276.09**4.2★12,289 rev](https://www.amazon.com/dp/B07V7Q6RD9) [4**Serenity 3 Cooling Memory Foam Mattress Topper for Tempur-Pedic Pressure Relieving Topper with Cooling Performance Cover Breathable & Hypoallergenic for Temperature Regulation (King)**Generic**$329.49**4.5★2 rev](https://www.amazon.com/dp/B0GR9BXXCX) [5**Tempur-Pedic TEMPUR-Adapt + Cooling 3-Inch Queen Mattress Topper Medium Luxury Premium Foam Washable Cover Medium Cooling Topper White**Tempur-Pedic**$355.11**4.2★12,289 rev](https://www.amazon.com/dp/B07V7R7V8F)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Serenity 3 Cooling Memory Foam Mattress Topper for Tempur-Pedic Pressure Relieving Topper with Cooling Performance Cover Breathable & Hypoallergenic for Temperature Regulation (King)**Generic**$329.49**2 rev4mo ago](https://www.amazon.com/dp/B0GR9BXXCX) [**Mattress Topper RV King Size Cooling Extra Thick Breathable Viscose Made from Bamboo Mattress pad Soft Quilted Fitted Mattress Cover with 1000 GSM Down Alternative Fill (8-21Deep Pocket) 72x80 inch**SakuraHome**$73.93**5,187 rev1y ago](https://www.amazon.com/dp/B0FGJ3SCZ9) [**ELEMUSE RV Short King Mattress Topper Thick Pillow Top Mattress Pad**ELEMUSE**$91.82**19,663 rev1y ago](https://www.amazon.com/dp/B0DRP5L9RM) [**Tempur-Cloud 2-Inch Mattress Topper Queen White**Tempur-Pedic**$173.32**12,289 rev4y ago](https://www.amazon.com/dp/B0B3CHWY13) [**PERLECARE Queen Mattress Topper 3 Inch Gel Memory Foam Mattress Topper for Pressure Relief Premium Soft Cooling Sleep Non-Slip Design with Removable & Washable Cover Oeko-Tex Certified**PERLECARE**$99.40**7,715 rev5y ago](https://www.amazon.com/dp/B08LQD3FPP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Serenity 3 Cooling Memory Foam Mattress Topper for Tempur-Pedic Pressure Relieving Topper with Cooling Performance Cover Breathable & Hypoallergenic for Temperature Regulation (King)**Generic**$329.49**4.5★**▲ 179%**](https://www.amazon.com/dp/B0GR9BXXCX) [**Mattress Topper RV King Size Cooling Extra Thick Breathable Viscose Made from Bamboo Mattress pad Soft Quilted Fitted Mattress Cover with 1000 GSM Down Alternative Fill (8-21Deep Pocket) 72x80 inch**SakuraHome**$73.93**4.4★**▲ 45%**](https://www.amazon.com/dp/B0FGJ3SCZ9) [**TEMPUR-Adapt (Supreme) 3 Memory Foam Mattress Topper King**Tempur-Pedic**$316.78**4.2★**▲ 30%**](https://www.amazon.com/dp/B00HEOBVOY) [**ELEMUSE RV Short King Mattress Topper Thick Pillow Top Mattress Pad**ELEMUSE**$91.82**4.4★**▲ 28%**](https://www.amazon.com/dp/B0DRP5L9RM) [**Linenspa Memory Foam Mattress Topper King Size - 2 Inch Gel Infused Memory Foam - Plush Feel - Cooling and Pressure Relieving - CertiPUR Certified**Linenspa**$64.15**4.5★**— 8%**](https://www.amazon.com/dp/B01N41ILAB)
**~~View all trending →~~**
## **What buyers say about down mattress topper king**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**19%
*“It is very comfortable”*
**Quality-Overall**10%
*“quality seems solid so giving 3 stars”*
**Sleep Quality**9%
*“I sleep great”*
**Foam**8%
*“Foam is pretty”*
**Soft Feel**8%
*“Buttery soft”*
**Value For Money**8%
*“Great value for money”*
**Cushion**3%
*“It added great cushioning”*
**Size-Overall**3%
*“Good fit”*
**Thickness**2%
*“The thickness feels just right”*
**Smell**2%
*“The smell and cover over the foam are nicer than others”*
### **What buyers complain about **
**Hard Feel**13%
*“isnt soft at all”*
**Quality-Overall**12%
*“assuming higher quality”*
**Thickness**7%
*“not a thick pad like I thought it would be”*
**Durability**7%
*“its falling apart”*
**Value For Money**6%
*“a complete waste of my money”*
**Comfort-Overall**5%
*“This new one is SO UNCOMFORTABLE”*
**Heating**5%
*“Makes you super hot”*
**Advertised Vs Actual Product**4%
*“Not as described”*
**Size-Overall**3%
*“Sizing Mishap”*
**Product Condition**3%
*“Received a Smelly Used Product”*
### **Top return reasons **
**Size-Overall**17%
**Comfort-Overall**13%
**Soft Feel**13%
**Advertised Vs Actual Product**9%
**Cushion**6%
**Thickness**4%
**Hard Feel**4%
**Product Condition**4%
**Heating**4%
**Value For Money**3%
## **Common questions**
- **Is down mattress topper king profitable to sell on Amazon United States?**
- The niche generates $321K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +14.3%. Flapen's verdict: Skip it (32/100).
- **How competitive is the down mattress topper king niche?**
- 6 brands and 10 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in down mattress topper king?**
- Top complaints mined from reviews: Hard Feel, Quality-Overall, Thickness. The return rate is 6.0% — above our launch gate.
- **When does demand for down mattress topper king peak?**
- Demand peaks in Apr–Jul; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the down mattress topper king niche?**
- Listings span $64.15–$401.97; the average listing price is $230.30 (sweet spot $15–$100). The average incumbent carries 15,806 reviews — the moat a new listing must climb.
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