34d bra
Worth a lookShows a fragmented shelf (top 5 take 22% of clicks), but high returns (9.9%) keeps it on the watch list.
Competition
Great22%top-5 click share — an open shelf
Avg price
Great$20.49avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Brand share
Great53%top-5 brand share — no brand owns this niche
Price range
Great$6.16–$58.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+13.1%90-day search growth — must beat 0% to launch
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Review moat
Bad8,210.46avg incumbent reviews — the moat a new listing must climb
Market size
Bad$53K$53K/yr · 95K searches
Returns
Bad9.9%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, 34d bra is a $53K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 53% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 13, 2026 · scored weekly · How we score niches
34d bra market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $41K–$51K
- units × avg price
- Conversion rate
- 2.7%
- Avg BSR
- #359
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 4.7%
- Avg brand age
- 49 months
- Avg seller age
- 141 days
Competition & brand share
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.Brands
36 rising
Sellers
89
Top-5 brand share
53%
Top 20: 93%
Top-5 click share
22%
Top 20: 51%
Open market
41%
- Amazon Essentials14%
- As Fairy11%
- Warner's10%
- Maidenform9%
- Bali8%
- Cuteio6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +13.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top 34d bra search terms
- 34d bra40K/yr
- bra 34d17K/yr
- 34 d bra10K/yr
- 34d7K/yr
- bras 34d7K/yr
- 34d bras6K/yr
- 34 d bras5K/yr
- womens bras 34d4K/yr
Top 34d bra 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
OEAK Womens Deep V Bras Wireless Comfortable Bra Supportive No Underwire Bras Tshirt Push Up Bralettes Plunge Seamless Bra Coffee M
OEAK$18.854.0★13,129 rev

Cuteio Wireless Jelly Bras for Women No Underwire with Support - Seamless Wirefree Bralettes Everyday Full Coverage Comfort Tshirt Padded Bra Nude L
Cuteio$15.284.2★2,082 rev

Violas Secret Womens Bras 6 Pack - A B C D DD DDD Cups (34D)
Viola's Secret$33.843.8★20,845 rev

Warners Womens Blissful Benefits Side Smoothing Underwire Bra Toasted Almond 34D
Warner's$14.124.4★13,737 rev

Amazon Essentials Womens Full Coverage Padded Underwire Microfiber Bra with Support Pack of 2 Chocolate/Red 34D
Amazon Essentials$12.354.2★538 rev
Newest
by launch date
Lightly Lined Underwire T-Shirt Bra
Fruit of the Loom$26.7559,690 rev

Bali Womens One Smooth U Ultra Light Illusion Neckline Underwire Bra Black 34D
Bali$21.0142,643 rev

Bali Womens One Smooth U Ultra Light Illusion Neckline Underwire Bra Nude 34D
Bali$19.1942,643 rev

Amazon Essentials Womens Stretch Galloon Lace Lined Wired Deep Plunge Bra Black/White 34D
Amazon Essentials$22.2856 rev

LetsJoli Jelly Bras for Women No Underwire Jelly Seamless Full Coverage Supportive Wireless Plus Size Summer Fashion 2026(Leopard Pink 38B)
LetsJoli$18.71240 rev
Trending
90-day click momentum
Amazon Essentials Womens Stretch Galloon Lace Lined Wired Deep Plunge Bra Black/White 34D
Amazon Essentials$22.284.1★

LetsJoli Jelly Bras for Women No Underwire Jelly Seamless Full Coverage Supportive Wireless Plus Size Summer Fashion 2026(Leopard Pink 38B)
LetsJoli$18.714.2★

Maidenform Womens Underwire Bra Barely There No-Show Bra Full Coverage Adjustable & Convertible Straps
Maidenform$19.904.2★

Warners Womens Blissful Benefits Super Soft Wireless Lightly Lined Comfort Bra Rm1691w Deauville Mauve 34D
Warner's$14.254.5★

6 Pieces No Wire Full Cup Plain/Lace Light Padded Wire Free Bra A/B/C/D/DD 34D
Iheyi$33.314.0★
What buyers say about 34d bra
What buyers praise and complain about, mined from review topics.What buyers love
“Comfortable to wear”
“Amazing fit”
“buttery soft”
“Great Adhesive”
“Good Quality”
“Great deal”
“the straps dont fall”
“Good material”
“I love the color”
“Flattering”
What buyers complain about
“Didn't fit right”
“Doesn't last”
“Straps broke”
“Cheap product”
“Very uncomfortable bra”
“Too much adhesive”
“Not enough support for large breasts”
“Not as described”
“Not flattering”
“the padding came out :”
Top return reasons
Common questions
- Is 34d bra profitable to sell on Amazon United States?
- The niche generates $53K/yr across 108 tracked products. 16 of 50 products launched in the last 360 days are still selling. 90-day search growth is +13.1%. Flapen's verdict: Worth a look (53/100).
- How competitive is the 34d bra niche?
- 36 brands and 89 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 53% of demand.
- What do buyers complain about in 34d bra?
- Top complaints mined from reviews: Size-Overall, Durability, Strap/String Quality. The return rate is 9.9% — above our launch gate.
- When does demand for 34d bra peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the 34d bra niche?
- Listings span $6.16–$58.44; the average listing price is $20.49 (sweet spot $15–$100). The average incumbent carries 8,210 reviews — the moat a new listing must climb.