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59

foster grant sunglasses

Worth a look

Shows a fragmented shelf (top 5 take 9% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 15Growth 81Conversion 17Competition 98Returns 45Price range 20Avg price 95Brand share 96Review moat 35Quality gap 67

Competition

Incredible9%

top-5 click share — an open shelf

Brand share

Incredible32%

top-5 brand share — no brand owns this niche

Avg price

Incredible$31.00

avg listing price — sweet spot $15–$100

Growth

Great+74.2%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Okay3.6%

return rate — above 6% kills the launch gate

Review moat

Okay3,029.28

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$8.93–$430.54

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

Conversion

Bad1.4%

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

Market size

Bad$62K

$62K/yr · 146K searches

Competition

Clicks spread well past the top 5 (9% combined) — an open shelf where new products get seen.

Brands

118 rising

Sellers

169

Top-5 brand share

32%

Open market

65%

  • Foster Grant13%
  • KALIYADI7%
  • Peppers5%
  • goodr5%
  • Jcerki3%
  • WearMe Pro3%

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%1%$6152%$1K3%$2K4%$2K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 321 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +74.2% search growth over the last 90 days.
13K8KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

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

Reviews

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

What buyers love

Value For Money23%

“great buy for the money”

Quality-Overall19%

“Great quality glasses”

Size-Overall14%

“Awesome fit”

Comfort-Overall9%

“Comfortable to wear”

Weight Light5%

“These glasses are also exceptionally lightweight”

Color5%

“Color is perfect”

Advertised Vs Actual Product4%

“As Advertised”

Shape/Style4%

“Great style”

Durability3%

“The material felt durable”

Strength1%

“Well built”

What buyers complain about

Size-Overall18%

“Bigger than expected”

Quality-Overall15%

“Very cheap quality”

Durability13%

“Broke almost immediately”

Value For Money6%

“Way too expensive”

Strength4%

“Little flimsy”

Color3%

“I wish it was darker”

Advertised Vs Actual Product3%

“Not as advertised”

Material Quality3%

“The material is very flimsy and low quality”

Comfort-Overall2%

“For everyday wear that may be more tolerable”

Functionality-Overall1%

“nothing works”

Top return reasons

Size-Overall62%
Shape/Style7%
Advertised Vs Actual Product6%
Color5%
Quality-Overall4%
Value For Money3%
Width2%
Comfort-Overall2%
Functionality-Overall1%
Material Quality1%