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50

tony stark sunglasses

Worth a look

Shows a sweet-spot price point ($17.67 avg), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.

Market size 28Growth 61Conversion 43Competition 72Returns 48Price range 56Avg price 82Brand share 8Review moat 65Quality gap 57

Avg price

Great$17.67

avg listing price — sweet spot $15–$100

Competition

Good42%

top-5 click share — leaders hold, buyers still browse

Review moat

Good884.95

avg incumbent reviews — the moat a new listing must climb

Growth

Good+38.3%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$8.91–$22.66

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

Returns

Okay3.2%

return rate — above 6% kills the launch gate

Conversion

Okay3.4%

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

Market size

Okay$120K

$120K/yr · 198K searches

Brand share

Bad97%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

117

Top-5 brand share

97%

Open market

2%

  • IRONMAN89%
  • Foster Grant3%
  • AIEYEZO2%
  • aisswzber2%
  • XVXV2%
  • JOON-joon1%
  • Open — no brand owns it (2 brands, 2%)

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%$4K6%$7K9%$11K12%$14K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 37 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +38.3% search growth over the last 90 days.
5K4KPrime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.7×

Reviews

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

What buyers love

Value For Money30%

“GREAT VALUE”

Quality-Overall22%

“Decent pair of glasses”

Size-Overall14%

“They fit snug”

Comfort-Overall7%

“Very Comfortable”

Advertised Vs Actual Product4%

“Exactly what I ordered”

Weight Light3%

“They have a lightweight design”

Durability3%

“Comfortable and durable”

Shape/Style3%

“Very stylish look”

Color3%

“Nice shades”

Strength1%

“Well built”

What buyers complain about

Durability20%

“break easily”

Size-Overall16%

“Tight”

Quality-Overall12%

“Low price low quality”

Value For Money7%

“Cheap,”

Color6%

“Wrong color sent”

Comfort-Overall4%

“and uncomfortable”

Material Quality4%

“Terrible frame material”

Scratch Resistance3%

“Lenses scratch very easily”

Advertised Vs Actual Product3%

“The picture is misleading in the ad”

Strength2%

“as they are very flimsy”

Top return reasons

Size-Overall62%
Advertised Vs Actual Product7%
Quality-Overall5%
Color5%
Shape/Style4%
Comfort-Overall3%
Value For Money2%
Defective Material/Parts2%
Material Quality1%
Width1%