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57

purple sunglasses

Worth a look

Shows no brand lock-in (top 5 brands take 42% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 37Growth 60Conversion 30Competition 86Returns 44Price range 62Avg price 80Brand share 93Review moat 25Quality gap 42

Brand share

Great42%

top-5 brand share — no brand owns this niche

Competition

Great29%

top-5 click share — an open shelf

Avg price

Great$17.18

avg listing price — sweet spot $15–$100

Price range

Good$5.15–$141.53

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

Growth

Good+36.5%

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

Returns

Okay3.8%

return rate — above 6% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$183K

$183K/yr · 444K searches

Conversion

Okay2.4%

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

Review moat

Bad4,090.41

avg incumbent reviews — the moat a new listing must climb

Competition

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

Brands

48 falling

Sellers

59

Top-5 brand share

42%

Open market

54%

  • SIPHEW13%
  • FEISEDY8%
  • SOJOS7%
  • Pro Acme7%
  • ROCKNIGHT7%
  • Joopin4%

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%$5K6%$11K9%$16K12%$22K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 75 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +36.5% search growth over the last 90 days.
13K8KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 2.5×

Reviews

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

What buyers love

Size-Overall18%

“The fit comfortably for me”

Value For Money15%

“Good value for price”

Quality-Overall13%

“The glasses themselves are good quality”

Color12%

“Color is perfect”

Comfort-Overall8%

“Easily the most comfortable sunglasses Ive ever purchased”

Shape/Style6%

“Cute and stylish”

Weight Light5%

“These are lightweight and incredible quality”

Advertised Vs Actual Product3%

“Exactly what I needed”

Durability3%

“The glasses seem durable”

Design-Overall2%

“Very stylish and the color is beautiful”

What buyers complain about

Size-Overall21%

“To big”

Quality-Overall12%

“Poor quality control”

Durability12%

“Broke very quickly”

Color7%

“it's got a little bit of a blue tint”

Strength5%

“Flimsy as hell”

Value For Money5%

“Too expensive for what it is”

Comfort-Overall2%

“Not comfortable”

Pain Relief-Overall2%

“they hurt”

Material Quality2%

“Cheap plastic”

Ease Of Cleaning2%

“Dont clean them”

Top return reasons

Size-Overall56%
Color11%
Advertised Vs Actual Product6%
Shape/Style6%
Quality-Overall5%
Value For Money3%
Functionality-Overall1%
Comfort-Overall1%
Material Quality1%
Width1%