Skip to content
54

butterfly sunglasses

Worth a look

Shows no brand lock-in (top 5 brands take 42% of clicks), but a small market ($24K/yr) keeps it on the watch list.

Market size 6Growth 78Conversion 19Competition 83Returns 18Price range 58Avg price 85Brand share 93Review moat 48Quality gap 60

Brand share

Great42%

top-5 brand share — no brand owns this niche

Avg price

Great$18.88

avg listing price — sweet spot $15–$100

Competition

Great32%

top-5 click share — an open shelf

Growth

Great+68.5%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$5.86–$151.55

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

Review moat

Okay1,652.32

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.5%

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

Returns

Bad7.6%

return rate — above 6% kills the launch gate

Market size

Bad$24K

$24K/yr · 87K searches

Competition

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

Brands

34 rising

Sellers

41

Top-5 brand share

42%

Open market

53%

  • FEISEDY11%
  • Shiratori10%
  • GGSTDDUP8%
  • Betsey Johnson7%
  • willochra6%
  • Weewooday5%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$7346%$1K9%$2K12%$3K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 66 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +68.5% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.6×

Reviews

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

What buyers love

Size-Overall19%

“Very comfortable fit”

Quality-Overall13%

“Good quality”

Value For Money13%

“Great for the price”

Shape/Style10%

“Love the style”

Comfort-Overall10%

“Light and Comfortable”

Advertised Vs Actual Product8%

“Exactly as advertised”

Color6%

“Love the vivid colors”

Weight Light4%

“Nice and lightweight”

Design-Overall3%

“The design is pretty”

Durability2%

“I like how durable the frames are”

What buyers complain about

Durability31%

“Broke after 2 months”

Size-Overall19%

“awkward fit”

Quality-Overall8%

“Very cheaply made”

Value For Money5%

“they feel like they should be half of that price”

Color5%

“definitely NOT the pink I ordered”

Strength4%

“Flimsy and cheap”

Design-Overall2%

“Not a good design”

Suitable For Outdoor2%

“Dont recommend for outdoor use”

Defective Material/Parts2%

“Theyre defective”

Weight Heavy1%

“Too heavy for me”

Top return reasons

Size-Overall65%
Color7%
Shape/Style6%
Advertised Vs Actual Product4%
Quality-Overall3%
Value For Money3%
Width2%
Comfort-Overall1%
Defective Material/Parts1%
Strength1%