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65

running sunglasses for women

Launch it

A $1.7M/yr market growing +63.6% this quarter with returns at 3.4% — clears our launch bar.

Market size 89Growth 76Conversion 23Competition 79Returns 47Price range 45Avg price 95Brand share 79Review moat 28Quality gap 48

Avg price

Incredible$28.95

avg listing price — sweet spot $15–$100

Market size

Great$1.7M

$1.7M/yr · 3.1M searches

Competition

Great36%

top-5 click share — an open shelf

Brand share

Great56%

top-5 brand share — no brand owns this niche

Growth

Great+63.6%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay3.4%

return rate — above 6% kills the launch gate

Price range

Okay$9.92–$200.63

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

Review moat

Okay3,739.77

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.9%

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

Competition

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

31 falling

Sellers

45

Top-5 brand share

56%

Open market

39%

  • Lamicall33%
  • Ukoly8%
  • ATTCL6%
  • TIJN5%
  • STORYCOAST4%
  • gesruny4%

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%$50K6%$99K9%$149K12%$198K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 52 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +63.6% search growth over the last 90 days.
125K75KPrime Day '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.0×

Reviews

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

What buyers love

Value For Money22%

“Good value for money”

Quality-Overall19%

“These are good quality glasses”

Size-Overall14%

“they fit my face”

Comfort-Overall10%

“Comfortable too”

Weight Light6%

“Lightweight and comfortable”

Advertised Vs Actual Product4%

“Exactly as described”

Color4%

“Cool colors”

Exercise/Sports Suitability3%

“Good for running”

Shape/Style3%

“They are so stylish”

Durability3%

“Comfortable and durable”

What buyers complain about

Size-Overall21%

“They are huge”

Quality-Overall13%

“Low quality”

Durability11%

“Falling apart”

Comfort-Overall5%

“and uncomfortable”

Color4%

“Darker than I expected”

Value For Money3%

“Cheap,”

Material Quality3%

“I didn't like the material of the glasses”

Advertised Vs Actual Product3%

“Not as advertised”

Strength2%

“Flimsy plastic”

Pain Relief-Overall1%

“they are incredibly painful”

Top return reasons

Size-Overall63%
Shape/Style6%
Advertised Vs Actual Product5%
Color5%
Quality-Overall4%
Value For Money4%
Comfort-Overall3%
Material Quality1%
Width1%
Functionality-Overall1%