---
title: "12 Month Sleepers — $90K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/12-month-sleepers"
last_updated: "2026-08-07T04:40:52.175Z"
locale: en
meta:
description: "Niche score 41/100 · $90K/yr market · 258K searches/yr · $23.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $90K/yr market · 258K searches/yr · $23.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "12 Month Sleepers — $90K/yr Amazon US Niche (2026) - Flapen"
---
# **12 month sleepers**
**Skip it**
Soft demand (-21.0% this quarter) — this niche doesn't clear our bar today.
Market size 22Growth 15Conversion 18Competition 90Returns 43Price range 89Avg price 95Brand share 37Review moat 17Quality gap 25
**Avg price**
**Incredible****$23.73**
avg listing price — sweet spot $15–$100
**Competition**
**Great****25%**
top-5 click share — an open shelf
**Price range**
**Great****$12.74–$44.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****3.5%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$90K**
$90K/yr · 258K searches
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****17,803.19**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-21.0%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 12 month sleepers is a $90K/yr Amazon United States market (258K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Feb. Verdict: Skip it — 41/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **12 month sleepers market data**
- **Units sold / yr**
- **5K–6K**
- avg 0–100/product
- **Revenue / yr**
- **$119K–$142K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#71**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **9.5%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.
**Brands**
**16 **▲rising
**Sellers**
**17**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**25%**
Top 20: 57%
**Open market**
**13%**
- Gerber31% - Simple Joys by Carter's26% - Amazon Essentials16% - Onesies Brand6% - Okayinn4% - Yoofoss4% - Open — no brand owns it (10 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.0% search growth over the last 90 days.
7K5KPrime Day '24Spike '24Black Friday '24Holiday '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/12-month-sleepers/trend)
## **Top 12 month sleepers search terms**
- **9-12 month sleepers**66K/yr-26.8%1.0% conv. - **12 month sleepers**59K/yr-27.9%1.8% conv. - **baby sleepers 12 months**16K/yr-6.1%0.9% conv. - **carters 12 month pajamas**17K/yr-27.5%1.5% conv. - **12 month sleepers girl**20K/yr-30.5%1.8% conv. - **9-12 month pajamas**14K/yr-19.3%0.6% conv. - **12 month pjs**10K/yr+17.9%1.0% conv. - **12 month old pajamas**7K/yr+32.5%1.1% conv. - **12 month footed pajamas**5K/yr+67.8%1.5% conv. - **12 month sleeper**6K/yr-33.4%1.6% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/12-month-sleepers/search-terms)
## **Top 12 month sleepers products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$3K6%$5K9%$8K12%$11K1001K10K100K 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**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Pale Blue 12 Months**Amazon Essentials**$16.28**4.4★675 rev](https://www.amazon.com/dp/B0D9ZFX9MK) [2**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months**Amazon Essentials**$15.95**4.4★675 rev](https://www.amazon.com/dp/B0D9ZDYHHG) [3**Simple Joys By Carters Boys Snug-fit Footed Cotton Pajamas Baby And Toddler Sleepers Blue/Green Dino 12 Months US**Simple Joys by Carter's**$25.49**4.7★48,657 rev](https://www.amazon.com/dp/B0BL9HNRKH) [4**Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear giraffe/rainbow/floral 12 Months**Simple Joys by Carter's**$24.39**4.6★17,951 rev](https://www.amazon.com/dp/B07CL16VVF) [5**Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US**Gerber**$37.32**4.6★6,737 rev](https://www.amazon.com/dp/B0B6DCY8GT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Simple Joys By Carters Boys Snug-fit Footed Cotton Pajamas Baby And Toddler Sleepers Blue/Green Dino 12 Months US**Simple Joys by Carter's**$25.49**48,657 rev2mo ago](https://www.amazon.com/dp/B0BL9HNRKH) [**Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear giraffe/rainbow/floral 12 Months**Simple Joys by Carter's**$24.39**17,951 rev2mo ago](https://www.amazon.com/dp/B07CL16VVF) [**Simple Joys by Carters Baby Boys Snug-Fit Footed Cotton Pajamas Pack of 3 Dinosaur/Animal 12 Months**Simple Joys by Carter's**$25.85**48,657 rev2mo ago](https://www.amazon.com/dp/B07GKVNH2V) [**Simple Joys by Carters Baby Girls 3-Pack Snug Fit Footed Cotton Pajamas Sleepwear floral/turtle/swan 12 Months**Simple Joys by Carter's**$25.96**38,559 rev2mo ago](https://www.amazon.com/dp/B07GXVMG6F) [**Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear dino/strawberry/flamingo 12 Months**Simple Joys by Carter's**$25.43**17,951 rev2mo ago](https://www.amazon.com/dp/B07GKNGCGS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Pink/Polar Bear 12 Months**Amazon Essentials**$16.18**4.4★**▲ 66%**](https://www.amazon.com/dp/B0D9ZRTWSM) [**Simple Joys By Carters Boys Snug-fit Footed Cotton Pajamas Baby And Toddler Sleepers Blue/Green Dino 12 Months US**Simple Joys by Carter's**$25.49**4.7★**▲ 48%**](https://www.amazon.com/dp/B0BL9HNRKH) [**Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US**Gerber**$37.32**4.6★**▲ 44%**](https://www.amazon.com/dp/B0B6DCY8GT) [**RRP Unisex Baby Footies Pajamas Rayon Derived From Bamboo Buttery Soft Sleep N Play PJs 2-Way Zipper Closure 0-18 Months(Grey/BlueGrey/Sage 12-18 Months)**RRP**$29.43**4.6★**▲ 43%**](https://www.amazon.com/dp/B0BM5F1KJD) [**Simple Joys by Carters Baby 3-pack Snug-fit Footed Cotton Pajamas Ballerina/Moon/Bee 12 Months**Simple Joys by Carter's**$25.24**4.7★**▲ 39%**](https://www.amazon.com/dp/B072QGVLGN)
**~~View all trending →~~**
## **What buyers say about 12 month sleepers**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Soft Feel**17%
*“Soft and breathable”*
**Quality-Overall**10%
*“The sleep sack was great quality”*
**Size-Overall**10%
*“The sizing is accurate”*
**Comfort-Overall**7%
*“super comfortable”*
**Value For Money**5%
*“Good for the price”*
**Sleep Quality**5%
*“I have loved this sleep suit”*
**Warmth**3%
*“They keep her warm at”*
**Zipper Quality**3%
*“Great zippers and good quality”*
**Design-Overall**3%
*“The designs on these are as pretty in person as in the photos”*
**Material Quality**2%
*“comfortable material”*
### **What buyers complain about **
**Size-Overall**19%
*“Short body”*
**Zipper Quality**8%
*“Broken zipper”*
**Quality-Overall**6%
*“Poor Quality”*
**Material Quality**6%
*“Cheap material”*
**Thickness**6%
*“Very thin material”*
**Durability**5%
*“broken after 2 months”*
**Stitch/Finish/Polish**3%
*“stitching is twisted”*
**Arm Fit**3%
*“Too tight on the arms”*
**Stretchability/Expandability/Elasticity**2%
*“also seem stretched in others”*
**Hard Feel**2%
*“Not as soft as I thought they would be”*
### **Top return reasons **
**Size-Overall**49%
**Length**10%
**Material Quality**8%
**Zipper Quality**5%
**Thin**3%
**Advertised Vs Actual Product**2%
**Sleeve Fit**2%
**Thigh Fit**2%
**Arm Fit**2%
**Width**2%
## **Common questions**
- **Is 12 month sleepers profitable to sell on Amazon United States?**
- The niche generates $90K/yr across 78 tracked products. 22 of 27 products launched in the last 360 days are still selling. 90-day search growth is -21.0%. Flapen's verdict: Skip it (41/100).
- **How competitive is the 12 month sleepers niche?**
- 16 brands and 17 sellers compete. The top 5 products take 25% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in 12 month sleepers?**
- Top complaints mined from reviews: Size-Overall, Zipper Quality, Quality-Overall. The return rate is 3.5%.
- **When does demand for 12 month sleepers peak?**
- Demand peaks in Feb; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the 12 month sleepers niche?**
- Listings span $12.74–$44.26; the average listing price is $23.73 (sweet spot $15–$100). The average incumbent carries 17,803 reviews — the moat a new listing must climb.
## **Related niches in Clothing, Shoes & Jewelry**
- 72 [**first communion gifts for boys**](https://flapen.com/research/us/clothing-shoes-jewelry/first-communion-gifts-for-boys)$398K/yr+223.5%**Worth a look**- 72 [**fifa world cup 2026 tshirt**](https://flapen.com/research/us/clothing-shoes-jewelry/fifa-world-cup-2026-tshirt)$177K/yr>1,000%**Worth a look**- 72 [**american flag hat**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-hat)$764K/yr+428.8%**Worth a look**- 72 [**white socks men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-socks-men)$3.0M/yr+13.3%**Launch it**- 72 [**american flag overalls**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-overalls)$662K/yr>1,000%**Worth a look**- 73 [**white ankle socks for men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-ankle-socks-for-men)$448K/yr+88.3%**Worth a look**[**All Clothing, Shoes & Jewelry niches **](https://flapen.com/research/us/clothing-shoes-jewelry)