---
title: "Longline Strapless Bra — $21K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/longline-strapless-bra"
last_updated: "2026-08-12T11:29:14.002Z"
locale: en
meta:
description: "Amazon product research for longline strapless bra: $21K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for longline strapless bra: $21K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Longline Strapless Bra — $21K/mo Amazon US Product Research"
---
# **Longline Strapless Bra**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 47Growth 100Conversion 18Competition 28Returns 0Price range 95Avg price 95Brand share 0Review moat 24Quality gap 97
**Growth**
**Incredible****+400.7%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$31.68**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$19.15–$34.52**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$257K**
$257K/yr · 555K searches
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****5,990.31**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Returns**
**Bad****12.6%**
return rate — above 5% kills the launch gate
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is longline strapless bra profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, longline strapless bra is a $257K/yr Amazon United States market (555K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 48/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **longline strapless bra market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$190K–$253K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#53**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **148 days**
## **Competition: brands, sellers & click share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▼falling
**Sellers**
**4**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**0%**
- SHAPERMINT85% - LetsJoli10% - Truekind3% - Lusait2%
## **longline strapless bra demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +400.7% search growth over the last 90 days.
40K30KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 18.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/longline-strapless-bra/trend)
## **Top longline strapless bra search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **shapermint strapless bra**331K/yr+512.7%1.1% conv. - **shapermint strapless bra for women**138K/yr+57.7%1.1% conv. - **truekind convertible strapless bandeau bra**26K/yr+393.4%0.8% conv. - **shapermint bandeau bra**11K/yr+354.5%0.7% conv. - **shapermint truekind convertible strapless bandeau bra**8K/yr+405.6%0.5% conv. - **shapermint bra strapless**13K/yr+74.9%0.9% conv. - **shapermint strapless**9K/yr+156.2%0.9% conv. - **truekind strapless bra**6K/yr+632.9%0.8% conv. - **shapermint bandeau strapless bra**5K/yr+376.8%1.0% conv. - **true kind strapless bra**5K/yr>1,000%0.2% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/longline-strapless-bra/search-terms)
## **Top longline strapless bra products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$26K20%$51K30%$77K40%$103K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts Black**SHAPERMINT**$32.82**3.8★8,045 rev](https://www.amazon.com/dp/B0CG79N466) [2**LetsJoli Push Up Strapless Bras for Women Supportive Bandeau Bra Non Slip Wireless No Underwire Padded Tube Bra(Nude L)**LetsJoli**$19.15**4.0★1,971 rev](https://www.amazon.com/dp/B0FLQKYQLM) [3**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts Black**SHAPERMINT**$34.02**3.8★8,045 rev](https://www.amazon.com/dp/B0CG7MHNW4) [4**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts Beige**SHAPERMINT**$33.14**3.8★8,045 rev](https://www.amazon.com/dp/B0CG7HX9ZZ) [5**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts Beige**SHAPERMINT**$33.92**3.8★8,045 rev](https://www.amazon.com/dp/B0CG7NXZ5Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Lusait Strapless Bras for Women Non-Slip Seamless Padded Bandeau Bra Wireless Convertible Tube Top Bralette Beige M**Lusait**$24.55**225 rev4mo ago](https://www.amazon.com/dp/B0GPWSDW93) [**LetsJoli Push Up Strapless Bras for Women Supportive Bandeau Bra Non Slip Wireless No Underwire Padded Tube Bra(Nude L)**LetsJoli**$19.15**1,971 rev11mo ago](https://www.amazon.com/dp/B0FLQKYQLM) [**SHAPERMINT Sweetheart Bras for Women Wireless Push Up Bra with Support Full Coverage Seamless Bralette Comfortable Bras for Women No Underwire Plus Size and Everyday T Shirt Bra Black**SHAPERMINT**$28.61**2,188 rev1y ago](https://www.amazon.com/dp/B0F8W9G2NY) [**SHAPERMINT Sweetheart Bras for Women Wireless Push Up Bra with Support Full Coverage Seamless Bralette Comfortable Bras for Women No Underwire Plus Size and Everyday T Shirt Bra Black**SHAPERMINT**$31.07**2,188 rev1y ago](https://www.amazon.com/dp/B0F8W6SX4Q) [**Truekind Wireless Strapless Bra Bandeau Bra Small to Plus Size Strapless Bras for Women Tube Top Beige**Truekind**$34.52**778 rev2y ago](https://www.amazon.com/dp/B0D35ZRPVC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Lusait Strapless Bras for Women Non-Slip Seamless Padded Bandeau Bra Wireless Convertible Tube Top Bralette Beige M**Lusait**$24.55**4.2★**▲ 18%**](https://www.amazon.com/dp/B0GPWSDW93) [**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts White**SHAPERMINT**$33.52**3.8★**▲ 17%**](https://www.amazon.com/dp/B0CG83G7R5) [**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts White**SHAPERMINT**$33.81**3.8★**▲ 16%**](https://www.amazon.com/dp/B0CG7L8PNL) [**SHAPERMINT Sweetheart Bras for Women Wireless Push Up Bra with Support Full Coverage Seamless Bralette Comfortable Bras for Women No Underwire Plus Size and Everyday T Shirt Bra Black**SHAPERMINT**$31.07**3.9★**▲ 15%**](https://www.amazon.com/dp/B0F8W6SX4Q) [**SHAPERMINT Strapless Bra Wireless Non-Slip Bandeau Convertible Straps Molded Strapless Bras for Women S to Large Breasts Black**SHAPERMINT**$32.81**3.8★**▲ 15%**](https://www.amazon.com/dp/B0CG798DXL)
**~~View all trending →~~**
## **What reviews say buyers love and hate about longline strapless bra**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**29%
*“Extremely comfortable”*
**Size-Overall**24%
*“Fits as advertised”*
**Strap/String Quality**13%
*“I do like that the straps are adjustable”*
**Quality-Overall**5%
*“Excellent product”*
**Soft Feel**2%
*“Material is soft”*
**Color**2%
*“nice color”*
**Chest Fit**2%
*“This fit fine around my chest”*
**Advertised Vs Actual Product**1%
*“It fits like how it was advertised”*
**Durability**1%
*“This is very durable and breathable”*
**Value For Money**1%
*“Worth the money”*
### **What buyers complain about **
**Size-Overall**31%
*“To big”*
**Chest Fit**8%
*“Not enough support for larger chest”*
**Shape/Style**5%
*“Not right for my shape”*
**Advertised Vs Actual Product**5%
*“Not as described”*
**Comfort-Overall**4%
*“making it impossible to wear comfortably”*
**Strap/String Quality**4%
*“Does not hold up well without straps”*
**Quality-Overall**3%
*“Not well made”*
**Functionality-Overall**2%
*“Did not work for me”*
**Ease Of Use**2%
*“Hard to put on”*
**Value For Money**2%
*“Price high compared to others”*
### **Top return reasons **
**Size-Overall**55%
**Chest Fit**28%
**Advertised Vs Actual Product**3%
**Comfort-Overall**2%
**Shape/Style**2%
**Functionality-Overall**2%
**Material Quality**1%
**Width**1%
**Waist Fit**1%
**Cushion**1%
## **Common longline strapless bra questions**
- **Is longline strapless bra profitable to sell on Amazon United States?**
- The niche generates $257K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +400.7%. Flapen's verdict: Skip it (48/100).
- **How competitive is the longline strapless bra niche?**
- 4 brands and 4 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in longline strapless bra?**
- Top complaints mined from reviews: Size-Overall, Chest Fit, Shape/Style. The return rate is 12.6% — above our launch gate.
- **When does demand for longline strapless bra peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 18.3× the quietest.
- **What does it cost to enter the longline strapless bra niche?**
- Listings span $19.15–$34.52; the average listing price is $31.68 (sweet spot $15–$100). The average incumbent carries 5,990 reviews — the moat a new listing must climb.
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