---
title: "Oneill Life Jacket — $4K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/sports-outdoors/oneill-life-jacket"
last_updated: "2026-08-12T11:16:47.738Z"
locale: en
meta:
  description: "Amazon product research for oneill life jacket: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for oneill life jacket: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Oneill Life Jacket — $4K/mo Amazon US Product Research"
---

# **Oneill Life Jacket**

**Worth a look**

Shows demand growing +153.4% this quarter, but weak search conversion (0.6%) keeps it on the watch list.

Market size 12Growth 96Conversion 7Competition 92Returns 24Price range 50Avg price 82Brand share 56Review moat 72Quality gap 35

**Growth**

**Incredible****+153.4%**

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

**Competition**

**Great****23%**

top-5 click share — an open shelf

**Avg price**

**Great****$81.32**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****604.65**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****72%**

top-5 brand share — brands hold most of the demand

**Price range**

**Good****$23.76–$176.82**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Bad****5.2%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$46K**

$46K/yr · 102K searches

**Conversion**

**Bad****0.6%**

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

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## **Is oneill life jacket profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, oneill life jacket is a $46K/yr Amazon United States market (102K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 52/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **oneill life jacket market size & sales**

Units sold, revenue, conversion and listing quality across the tracked shelf.

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$41K–$61K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#213**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**63%**</dd>

<dt>**Sponsored**</dt><dd>**77%**</dd>

<dt>**Out of stock**</dt><dd>**5.8%**</dd>

<dt>**Avg brand age**</dt><dd>**85 months**</dd>

<dt>**Avg seller age**</dt><dd>**182 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.

**Brands**

**20 **▼falling

**Sellers**

**96**

**Top-5 brand share**

**72%**

Top 20: 100%

**Top-5 click share**

**23%**

Top 20: 55%

**Open market**

**22%**

- O'Brien36% - Yamaha Motor13% - O'NEILL9% - Jetpilot7% - AIRHEAD6% - Jet Pilot6%

## **oneill life jacket demand & seasonality**

Weekly Amazon search volume, last 99 weeks — +153.4% search growth over the last 90 days.

5K3KHoliday '24Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 7.9×

[**Open Trend **](https://flapen.com/research/us/sports-outdoors/oneill-life-jacket/trend)

## **Top oneill life jacket search terms shoppers use**

The exact queries shoppers type, with yearly volume, growth and conversion.

- **jet ski life jacket**35K/yr+173.3%0.3% conv. - **jetski life jacket**27K/yr+171.2%0.3% conv. - **yamaha life jacket**20K/yr+123.2%0.3% conv. - **big and tall life jackets for men**6K/yr+202.4%0.7% conv. - **jet ski life vest**5K/yr+106.2%0.2% conv. - **jet ski life jackets**4K/yr+180.3%0.1% conv. - **yamaha life jackets for adults**5K/yr+25.5%0.0% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/oneill-life-jacket/search-terms)

## **Top oneill life jacket products & what they sell for**

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%$9294%$2K6%$3K8%$4K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![OBrien Mens Traditional Neoprene USCGA Life Jacket Yellow X-Large](https://m.media-amazon.com/images/I/410FIX2wCxL.jpg)**OBrien Mens Traditional Neoprene USCGA Life Jacket Yellow X-Large**O'Brien**$64.73**4.6★347 rev](https://www.amazon.com/dp/B0C8WZK5HJ) [2![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Blue Large)](https://m.media-amazon.com/images/I/41AQQieJN4L.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Blue Large)**Yamaha Motor**$98.82**4.3★15 rev](https://www.amazon.com/dp/B0FP3MS1BR) [3![ONeill Wetsuits Mens Slasher Comp Life Vest Black Large](https://m.media-amazon.com/images/I/31yiEQEk0SL.jpg)**ONeill Wetsuits Mens Slasher Comp Life Vest Black Large**O'NEILL**$146.49**4.5★594 rev](https://www.amazon.com/dp/B01MFG5R11) [4![OBrien Mens Traditional RS Life Jacket USCG & Transport Canada Approved Front Hinge with Wide Armholes Zip Closure & Dual Adjustable Belts](https://m.media-amazon.com/images/I/41s4pVeMwcL.jpg)**OBrien Mens Traditional RS Life Jacket USCG & Transport Canada Approved Front Hinge with Wide Armholes Zip Closure & Dual Adjustable Belts**O'Brien**$78.04**3.6★9 rev](https://www.amazon.com/dp/B0FNCJFZMP) [5![ONYX 103000-100-004-12 General Purpose Boating Life Jacket Universal Red](https://m.media-amazon.com/images/I/41WJOEHZ64L.jpg)**ONYX 103000-100-004-12 General Purpose Boating Life Jacket Universal Red**Onyx**$23.76**4.4★4,460 rev](https://www.amazon.com/dp/B00E8ML1F4)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Jetpilot Vintage Class Nylon U.S. Coast Guard Approved Life Jacket PFD. Side Entry 3-Buckle Boating & Jet Ski Vest (Red Blue Large & X-Large)](https://m.media-amazon.com/images/I/413JtZWO7xL.jpg)**Jetpilot Vintage Class Nylon U.S. Coast Guard Approved Life Jacket PFD. Side Entry 3-Buckle Boating & Jet Ski Vest (Red Blue Large & X-Large)**Jet Pilot**$83.33**4 rev4mo ago](https://www.amazon.com/dp/B0GT2FP5QT) [![Jetpilot Vintage Class Nylon U.S. Coast Guard Approved Life Jacket PFD. Side Entry 3-Buckle Boating & Jet Ski Vest (Yellow Pink Large & X-Large)](https://m.media-amazon.com/images/I/41Popomrm1L.jpg)**Jetpilot Vintage Class Nylon U.S. Coast Guard Approved Life Jacket PFD. Side Entry 3-Buckle Boating & Jet Ski Vest (Yellow Pink Large & X-Large)**Jet Pilot**$83.48**4 rev4mo ago](https://www.amazon.com/dp/B0GT22LN1S) [![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Blue Large)](https://m.media-amazon.com/images/I/41AQQieJN4L.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Blue Large)**Yamaha Motor**$98.82**15 rev11mo ago](https://www.amazon.com/dp/B0FP3MS1BR) [![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Red Large)](https://m.media-amazon.com/images/I/41ER3TQ1QwL.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Red Large)**Yamaha Motor**$98.64**15 rev11mo ago](https://www.amazon.com/dp/B0FP45B3S6) [![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Gold Large)](https://m.media-amazon.com/images/I/413YzFjuS6L.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Gold Large)**Yamaha Motor**$98.77**15 rev11mo ago](https://www.amazon.com/dp/B0FP3N6L8V)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Jetpilot Vintage Class Nylon U.S. Coast Guard Approved Life Jacket PFD. Side Entry 3-Buckle Boating & Jet Ski Vest (Yellow Pink Large & X-Large)](https://m.media-amazon.com/images/I/41Popomrm1L.jpg)**Jetpilot Vintage Class Nylon U.S. Coast Guard Approved Life Jacket PFD. Side Entry 3-Buckle Boating & Jet Ski Vest (Yellow Pink Large & X-Large)**Jet Pilot**$83.48**5.0★**▲ 31%**](https://www.amazon.com/dp/B0GT22LN1S) [![OBrien Mens Traditional RS Life Jacket USCG & Transport Canada Approved Front Hinge with Wide Armholes Zip Closure & Dual Adjustable Belts](https://m.media-amazon.com/images/I/41s4pVeMwcL.jpg)**OBrien Mens Traditional RS Life Jacket USCG & Transport Canada Approved Front Hinge with Wide Armholes Zip Closure & Dual Adjustable Belts**O'Brien**$78.04**3.6★**▲ 30%**](https://www.amazon.com/dp/B0FNCJFZMP) [![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Red Large)](https://m.media-amazon.com/images/I/41ER3TQ1QwL.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Red Large)**Yamaha Motor**$98.64**4.3★**▲ 28%**](https://www.amazon.com/dp/B0FP45B3S6) [![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Blue Large)](https://m.media-amazon.com/images/I/41AQQieJN4L.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Blue Large)**Yamaha Motor**$98.82**4.3★**▲ 26%**](https://www.amazon.com/dp/B0FP3MS1BR) [![Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Gold Large)](https://m.media-amazon.com/images/I/413YzFjuS6L.jpg)**Yamaha Motor Mens Neoprene Two-Buckle PFD Life Jacket Vest (Black/Gold Large)**Yamaha Motor**$98.77**4.3★**▲ 26%**](https://www.amazon.com/dp/B0FP3N6L8V)

**~~View all trending →~~**

## **What reviews say buyers love and hate about oneill life jacket**

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

### **What buyers love **

**Size-Overall**26%

*“Fit great”*

**Quality-Overall**20%

*“Great quality very comfortable”*

**Comfort-Overall**11%

*“Very comfortable”*

**Value For Money**6%

*“Worth the money”*

**Weight Light**5%

*“Doesn't feel bulky at all”*

**Advertised Vs Actual Product**5%

*“Just as pictured”*

**Durability**4%

*“felt fairly durable”*

**Color**3%

*“Color is as shown”*

**Certifications**3%

*“Coast Guard Approved”*

**Material Quality**2%

*“high-quality material”*

### **What buyers complain about **

**Size-Overall**61%

*“Sizes run very small”*

**Advertised Vs Actual Product**3%

*“Great product, however did not include CO2 as advertised”*

**Durability**3%

*“Meh didnt hold up very well”*

**Value For Money**3%

*“It was expensive”*

**Instructions/User Manual/Troubleshooting**2%

*“Very confusing instructions”*

**Measurement/Reading Accuracy**2%

*“People aren't understanding the measurements”*

**Quality-Overall**2%

*“Low quality”*

**Strength**2%

*“Flimsy”*

**Inflation/Deflation**1%

*“Husband set it to manual so that heat or humidity in storage wont make it inflate”*

**Shoulder Fit**1%

*“Regular size barely goes over my shoulders”*

### **Top return reasons **

**Size-Overall**84%

**Value For Money**4%

**Advertised Vs Actual Product**3%

**Comfort-Overall**2%

**Quality-Overall**1%

**Weight Heavy**1%

**Color**1%

**Material Quality**1%

**Strap/String Quality**1%

**Functionality-Overall**1%

## **Common oneill life jacket questions**

<dl>

<dt>**Is oneill life jacket profitable to sell on Amazon United States?**</dt><dd>The niche generates $46K/yr across 96 tracked products. 6 of 18 products launched in the last 360 days are still selling. 90-day search growth is +153.4%. Flapen's verdict: Worth a look (52/100).</dd>

<dt>**How competitive is the oneill life jacket niche?**</dt><dd>20 brands and 96 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 72% of demand.</dd>

<dt>**What do buyers complain about in oneill life jacket?**</dt><dd>Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Durability. The return rate is 5.2% — above our launch gate.</dd>

<dt>**When does demand for oneill life jacket peak?**</dt><dd>Demand peaks in Apr–May–Jun–Jul; the busiest month runs 7.9× the quietest.</dd>

<dt>**What does it cost to enter the oneill life jacket niche?**</dt><dd>Listings span $23.76–$176.82; the average listing price is $81.32 (sweet spot $15–$100). The average incumbent carries 605 reviews — the moat a new listing must climb.</dd>

</dl>

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