---
title: "foster grant sunglasses — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/foster-grant-sunglasses"
last_updated: "2026-07-14T02:23:40.259Z"
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meta:
  description: "foster grant sunglasses 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."
  "og:description": "foster grant sunglasses 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."
  "og:title": "foster grant sunglasses — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
---

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# **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**

**Incredible****9%**

top-5 click share — an open shelf

**Brand share**

**Incredible****32%**

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**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.6%**

return rate — above 6% kills the launch gate

**Review moat**

**Okay****3,029.28**

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**

**Bad****1.4%**

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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Swim Goggles 2 Pack Wide View Anti Fog&UV Swimming Goggles for Audlt No Leaking Swim Glasses for Men Women Youth](https://m.media-amazon.com/images/I/41jpO-AoXwL.jpg)**Swim Goggles 2 Pack Wide View Anti Fog&UV Swimming Goggles for Audlt No Leaking Swim Glasses for Men Women Youth**Rantizon**$15.62**4.4★7,024 rev](https://www.amazon.com/dp/B0BTLXZ8FH) [2![KALIYADI Polarized Sunglasses Men Lightweight Mens Sunglasses Polarized UV Protection Driving Fishing Golf (Black/Ice Blue/Red)](https://m.media-amazon.com/images/I/51iVlLdMdfL.jpg)**KALIYADI Polarized Sunglasses Men Lightweight Mens Sunglasses Polarized UV Protection Driving Fishing Golf (Black/Ice Blue/Red)**KALIYADI**$18.09**4.5★13,678 rev](https://www.amazon.com/dp/B0BWTW5DX2) [3![Jcerki Polarizing Nearsighted Sunglasses Tinted Gray -1.00 Strengths Men Women Myopia Distance Glasses **These Are Not Reading Glasses**](https://m.media-amazon.com/images/I/31PIhGdHKGL.jpg)**Jcerki Polarizing Nearsighted Sunglasses Tinted Gray -1.00 Strengths Men Women Myopia Distance Glasses **These Are Not Reading Glasses**Jcerki**$25.52**4.1★190 rev](https://www.amazon.com/dp/B07NS88L58) [4![Foster Grant mens Jace Polarized for Digital Sunglasses Sunglasses Matte Black and Navy 54mm US](https://m.media-amazon.com/images/I/313PogminhL.jpg)**Foster Grant mens Jace Polarized for Digital Sunglasses Sunglasses Matte Black and Navy 54mm US**Foster Grant**$26.97**4.4★260 rev](https://www.amazon.com/dp/B09LBFCM87) [5![Foster Grant 1960s Sunglasses Black 54mm](https://m.media-amazon.com/images/I/312nt6+tB2L.jpg)**Foster Grant 1960s Sunglasses Black 54mm**Foster Grant**$27.33**4.3★165 rev](https://www.amazon.com/dp/B09KT6NB5W)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Wrangler Mens Kabel Range View Polarized Aviator Sunglasses Black 61 mm](https://m.media-amazon.com/images/I/31EfZ9wS-pL.jpg)**Wrangler Mens Kabel Range View Polarized Aviator Sunglasses Black 61 mm**Wrangler**$28.53**0 rev1mo ago](https://www.amazon.com/dp/B0GVG7HX96) [![Wrangler Mens Kabel Rodeo Ridge Polarized Square Sunglasses Black 61 mm](https://m.media-amazon.com/images/I/31eMWq0yiUL.jpg)**Wrangler Mens Kabel Rodeo Ridge Polarized Square Sunglasses Black 61 mm**Wrangler**$27.38**2 rev1mo ago](https://www.amazon.com/dp/B0GVG2J2DS) [![Distance Nearsighted Sunglasses Men Polarized Near Sighted Vision Driving Farsighted Eyeglasses Shortsighted See Far Sight Non Prescription Myopia Frame UV Protection Farsightedness Eyewear -1.0](https://m.media-amazon.com/images/I/31X9Ysrjn3L.jpg)**Distance Nearsighted Sunglasses Men Polarized Near Sighted Vision Driving Farsighted Eyeglasses Shortsighted See Far Sight Non Prescription Myopia Frame UV Protection Farsightedness Eyewear -1.0**JCUANGR**$24.70**1 rev2mo ago](https://www.amazon.com/dp/B0GXRVKT2B) [![Foster Grant Black Square Mens Polarized Sunglasses](https://m.media-amazon.com/images/I/31-5Q0CJvkL.jpg)**Foster Grant Black Square Mens Polarized Sunglasses**Foster Grant**$29.75**2 rev2mo ago](https://www.amazon.com/dp/B0GTX6TDM9) [![Foster Grant Black Square Mens Polarized Sunglasses](https://m.media-amazon.com/images/I/31-5Q0CJvkL.jpg)**Foster Grant Black Square Mens Polarized Sunglasses**Foster Grant**$31.13**2 rev2mo ago](https://www.amazon.com/dp/B0GTX4GJ58)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![EYEGUARD Bifocal Reading Sunglasses for Women Stylish Sun Readers Glasses UV400 Protection Outdoor Reading Glasses +1.50](https://m.media-amazon.com/images/I/41IpP8BW10L.jpg)**EYEGUARD Bifocal Reading Sunglasses for Women Stylish Sun Readers Glasses UV400 Protection Outdoor Reading Glasses +1.50**EYEGUARD**$16.68**5.0★**▲ 100%**](https://www.amazon.com/dp/B0GKCQ24RK) [![Shady Rays Cayman - Ocean Driftwood/Blue Glacier Mirror Lens Standard Fit](https://m.media-amazon.com/images/I/31M15GOgwRL.jpg)**Shady Rays Cayman - Ocean Driftwood/Blue Glacier Mirror Lens Standard Fit**Shady Rays**$54.79**4.4★**▲ 90%**](https://www.amazon.com/dp/B0FBMMRR21) [![Wrangler Mens Kabel Rodeo Ridge Polarized Square Sunglasses Black 61 mm](https://m.media-amazon.com/images/I/31eMWq0yiUL.jpg)**Wrangler Mens Kabel Rodeo Ridge Polarized Square Sunglasses Black 61 mm**Wrangler**$27.38**4.0★**▲ 89%**](https://www.amazon.com/dp/B0GVG2J2DS) [![KIAURA Lautner Premium UV400 Polarized Sunglasses XL & Original Sizes Shape Memory Acetate Frames Scratch-Resistant Lenses (Sea Blue XL)](https://m.media-amazon.com/images/I/21H1W60hM3L.jpg)**KIAURA Lautner Premium UV400 Polarized Sunglasses XL & Original Sizes Shape Memory Acetate Frames Scratch-Resistant Lenses (Sea Blue XL)**KIAURA**$117.12**4.1★**▲ 89%**](https://www.amazon.com/dp/B0DFHPRT2N) [![goodr Bosleys Basset Hound Dreams Polarized Sunglasses Medium Sized (OG) Brown Translucent Frames with Brown Non-Reflective Glare Reducing Lenses UV400 Protection No Slip No Bounce](https://m.media-amazon.com/images/I/318InOh2nJL.jpg)**goodr Bosleys Basset Hound Dreams Polarized Sunglasses Medium Sized (OG) Brown Translucent Frames with Brown Non-Reflective Glare Reducing Lenses UV400 Protection No Slip No Bounce**goodr**$28.14**4.7★**▲ 89%**](https://www.amazon.com/dp/B0FX3VWLKD)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +74.2% search growth over the last 90 days.

13K8KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

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 Money**23%

*“great buy for the money”*

**Quality-Overall**19%

*“Great quality glasses”*

**Size-Overall**14%

*“Awesome fit”*

**Comfort-Overall**9%

*“Comfortable to wear”*

**Weight Light**5%

*“These glasses are also exceptionally lightweight”*

**Color**5%

*“Color is perfect”*

**Advertised Vs Actual Product**4%

*“As Advertised”*

**Shape/Style**4%

*“Great style”*

**Durability**3%

*“The material felt durable”*

**Strength**1%

*“Well built”*

### **What buyers complain about **

**Size-Overall**18%

*“Bigger than expected”*

**Quality-Overall**15%

*“Very cheap quality”*

**Durability**13%

*“Broke almost immediately”*

**Value For Money**6%

*“Way too expensive”*

**Strength**4%

*“Little flimsy”*

**Color**3%

*“I wish it was darker”*

**Advertised Vs Actual Product**3%

*“Not as advertised”*

**Material Quality**3%

*“The material is very flimsy and low quality”*

**Comfort-Overall**2%

*“For everyday wear that may be more tolerable”*

**Functionality-Overall**1%

*“nothing works”*

### **Top return reasons **

**Size-Overall**62%

**Shape/Style**7%

**Advertised Vs Actual Product**6%

**Color**5%

**Quality-Overall**4%

**Value For Money**3%

**Width**2%

**Comfort-Overall**2%

**Functionality-Overall**1%

**Material Quality**1%