--- title: "12 month sleepers — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/12-month-sleepers" last_updated: "2026-07-10T00:34:35.359Z" locale: en meta: description: "12 month sleepers shows a fragmented shelf (top 5 take 25% of clicks), but a small market ($90K/yr) keeps it on the watch list." "og:description": "12 month sleepers shows a fragmented shelf (top 5 take 25% of clicks), but a small market ($90K/yr) keeps it on the watch list." "og:title": "12 month sleepers — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen" --- Back to Flapen home # **12 month sleepers** **Worth a look****56/100 ** 12 month sleepers shows a fragmented shelf (top 5 take 25% of clicks), but a small market ($90K/yr) keeps it on the watch list. **Market/yr** **$90K** **Growth (1y)** **+340.0%** **Products** **78** **Brands** **16** was 12 a year ago **Sellers** **17** **Price range** **$12.74–$44.26** **Returns** **3.5%** **Rating** **4.6★** **Worth a look** Scored 56/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **4** ×0.30 Growth **88** ×0.30 Competition **90** ×0.20 Quality gap **30** ×0.10 Returns **72** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +340.0% year over year. 8K4KPrime Day '24Spike '24Black Friday '24Holiday '24Prime Day '25Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Feb · busiest ÷ quietest = 1.9× ## **Competition** - Gerber31% - Simple Joys by Carter's26% - Amazon Essentials16% - Onesies Brand6% - Okayinn4% - Yoofoss4% - Other (10 brands)13% Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen. 16 brands and 17 sellers compete here. **Brands** **16 **▲rising was 12 a year ago **Sellers** **17** **Top 5 brand share** **83%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Pale Blue 12 Months](https://m.media-amazon.com/images/I/31Fchmg5w+L.jpg) [**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Pale Blue 12 Months**](https://www.amazon.com/dp/B0D9ZFX9MK) Amazon Essentials$16.284.4★6758%▲rising 2 ![Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months](https://m.media-amazon.com/images/I/41loEq7WY5L.jpg) [**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months**](https://www.amazon.com/dp/B0D9ZDYHHG) Amazon Essentials$15.954.4★6755%▲rising 3 ![Simple Joys By Carters Boys Snug-fit Footed Cotton Pajamas Baby And Toddler Sleepers Blue/Green Dino 12 Months US](https://m.media-amazon.com/images/I/51o7CeVTjLL.jpg) [**Simple Joys By Carters Boys Snug-fit Footed Cotton Pajamas Baby And Toddler Sleepers Blue/Green Dino 12 Months US**](https://www.amazon.com/dp/B0BL9HNRKH) Simple Joys by Carter's$25.494.7★48,6574%▲rising 4 ![Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear giraffe/rainbow/floral 12 Months](https://m.media-amazon.com/images/I/515ftkcph+L.jpg) [**Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear giraffe/rainbow/floral 12 Months**](https://www.amazon.com/dp/B07CL16VVF) Simple Joys by Carter's$24.394.6★17,9514%—flat 5 ![Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US](https://m.media-amazon.com/images/I/51b7Q1JOiUL.jpg) [**Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US**](https://www.amazon.com/dp/B0B6DCY8GT) Gerber$37.324.6★6,7374%▲rising 6 ![Simple Joys by Carters Baby Boys Snug-Fit Footed Cotton Pajamas Pack of 3 Dinosaur/Animal 12 Months](https://m.media-amazon.com/images/I/51kNONMvyRL.jpg) [**Simple Joys by Carters Baby Boys Snug-Fit Footed Cotton Pajamas Pack of 3 Dinosaur/Animal 12 Months**](https://www.amazon.com/dp/B07GKVNH2V) Simple Joys by Carter's$25.854.7★48,6573%▼falling 7 ![Simple Joys by Carters Baby Girls 3-Pack Snug Fit Footed Cotton Pajamas Sleepwear floral/turtle/swan 12 Months](https://m.media-amazon.com/images/I/51gFBFbvUoL.jpg) [**Simple Joys by Carters Baby Girls 3-Pack Snug Fit Footed Cotton Pajamas Sleepwear floral/turtle/swan 12 Months**](https://www.amazon.com/dp/B07GXVMG6F) Simple Joys by Carter's$25.964.7★38,5593%▼falling 8 ![BubblePanda Rayon Made from Bamboo Sleep Sack 6-12 Months 1.0 Tog Soft Toddler Sleeping Sack for Babies 2-Way Zipper Baby Wearable Blanket](https://m.media-amazon.com/images/I/21KSPHs3h4L.jpg) [**BubblePanda Rayon Made from Bamboo Sleep Sack 6-12 Months 1.0 Tog Soft Toddler Sleeping Sack for Babies 2-Way Zipper Baby Wearable Blanket**](https://www.amazon.com/dp/B0CMTCKYB1) Okayinn$26.384.6★1,8843%▲rising 9 ![Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear dino/strawberry/flamingo 12 Months](https://m.media-amazon.com/images/I/51CrIU9s3rL.jpg) [**Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear dino/strawberry/flamingo 12 Months**](https://www.amazon.com/dp/B07GKNGCGS) Simple Joys by Carter's$25.434.6★17,9513%▼falling 10 ![Gerber Baby Boys 4-pack Footed Pajamas And Toddler Sleepers Bears & Trucks Grey 12 Months US](https://m.media-amazon.com/images/I/51OIJ4E5A9L.jpg) [**Gerber Baby Boys 4-pack Footed Pajamas And Toddler Sleepers Bears & Trucks Grey 12 Months US**](https://www.amazon.com/dp/B08GHPW9YR) Gerber$28.854.5★5,2032%▼falling 11 ![Gerber Baby Girls 2-pack Footed Pajamas And Toddler Sleepers Rose Garden Yellow 12 Months US](https://m.media-amazon.com/images/I/41oGlO1vXsL.jpg) [**Gerber Baby Girls 2-pack Footed Pajamas And Toddler Sleepers Rose Garden Yellow 12 Months US**](https://www.amazon.com/dp/B0B2ZYNK6D) Gerber$15.464.5★15,5652%▲rising 12 ![Gerber Baby Girls 2-Pack Footed Pajamas Fruit Lovers Purple 12 Months](https://m.media-amazon.com/images/I/41-QyBfcf+L.jpg) [**Gerber Baby Girls 2-Pack Footed Pajamas Fruit Lovers Purple 12 Months**](https://www.amazon.com/dp/B0B2ZM9Y25) Gerber$14.894.5★15,5652%—flat 13 ![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)](https://m.media-amazon.com/images/I/31-DvPz00tL.jpg) [**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)**](https://www.amazon.com/dp/B0BM5F1KJD) RRP$29.434.6★9482%▲rising 14 ![Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Love Llamas Pink 12 Months US](https://m.media-amazon.com/images/I/5171VVuNoML.jpg) [**Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Love Llamas Pink 12 Months US**](https://www.amazon.com/dp/B08GHJ5K2M) Gerber$28.604.6★6,7372%▼falling 15 ![Onesies Brand Baby Boys 2-Pack Footed Pajamas Treats 12 Months](https://m.media-amazon.com/images/I/41Zr3tyWFpL.jpg) [**Onesies Brand Baby Boys 2-Pack Footed Pajamas Treats 12 Months**](https://www.amazon.com/dp/B0DK5YZQ6P) Onesies Brand$14.584.5★1352%—flat **~~Showing 15 of 78 — show all ~~** ## **Product shelf** All 78 tracked products in this niche. Top sellersNewestTrending [![Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Pale Blue 12 Months](https://m.media-amazon.com/images/I/31Fchmg5w+L.jpg)**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Pale Blue 12 Months** Amazon Essentials**$16.28**4.4★675 reviews](https://www.amazon.com/dp/B0D9ZFX9MK) [![Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months](https://m.media-amazon.com/images/I/41loEq7WY5L.jpg)**Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months** Amazon Essentials**$15.95**4.4★675 reviews](https://www.amazon.com/dp/B0D9ZDYHHG) [![Simple Joys By Carters Boys Snug-fit Footed Cotton Pajamas Baby And Toddler Sleepers Blue/Green Dino 12 Months US](https://m.media-amazon.com/images/I/51o7CeVTjLL.jpg)**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 reviews](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](https://m.media-amazon.com/images/I/515ftkcph+L.jpg)**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 reviews](https://www.amazon.com/dp/B07CL16VVF) [![Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US](https://m.media-amazon.com/images/I/51b7Q1JOiUL.jpg)**Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US** Gerber**$37.32**4.6★6,737 reviews](https://www.amazon.com/dp/B0B6DCY8GT) [![Simple Joys by Carters Baby Boys Snug-Fit Footed Cotton Pajamas Pack of 3 Dinosaur/Animal 12 Months](https://m.media-amazon.com/images/I/51kNONMvyRL.jpg)**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**4.7★48,657 reviews](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](https://m.media-amazon.com/images/I/51gFBFbvUoL.jpg)**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**4.7★38,559 reviews](https://www.amazon.com/dp/B07GXVMG6F) [![BubblePanda Rayon Made from Bamboo Sleep Sack 6-12 Months 1.0 Tog Soft Toddler Sleeping Sack for Babies 2-Way Zipper Baby Wearable Blanket](https://m.media-amazon.com/images/I/21KSPHs3h4L.jpg)**BubblePanda Rayon Made from Bamboo Sleep Sack 6-12 Months 1.0 Tog Soft Toddler Sleeping Sack for Babies 2-Way Zipper Baby Wearable Blanket** Okayinn**$26.38**4.6★1,884 reviews](https://www.amazon.com/dp/B0CMTCKYB1) ## **Reviews** 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-Overall49% - Length10% - Material Quality8% - Zipper Quality5% - Thin3% - Advertised Vs Actual Product2% - Sleeve Fit2% - Thigh Fit2% - Arm Fit2% - Width2%