--- title: "black onesie — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/black-onesie" last_updated: "2026-07-10T01:06:39.219Z" locale: en meta: description: "a small market ($85K/yr) — black onesie doesn't clear our bar today." "og:description": "a small market ($85K/yr) — black onesie doesn't clear our bar today." "og:title": "black onesie — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" --- Back to Flapen home # **black onesie** **Skip it****45/100 ** a small market ($85K/yr) — black onesie doesn't clear our bar today. **Market/yr** **$85K** **Growth (1y)** **+166.8%** **Products** **29** **Brands** **14** was 17 a year ago **Sellers** **21** **Price range** **$8.98–$20.64** **Returns** **2.7%** **Rating** **4.7★** **Skip it** Scored 45/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **4** ×0.30 Growth **73** ×0.30 Competition **58** ×0.20 Quality gap **23** ×0.10 Returns **79** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +166.8% year over year. 25K12KSpike '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Oct, Nov · busiest ÷ quietest = 4.8× ## **Competition** - 123 Bear30% - Gerber27% - Jomixa7% - Carhartt5% - GUISBY5% - ROMPERINBOX4% - Other (8 brands)21% The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them. 14 brands and 21 sellers compete here. **Brands** **14 **▼falling was 17 a year ago **Sellers** **21** **Top 5 brand share** **74%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Short Sleeve Newborn)](https://m.media-amazon.com/images/I/319c0zmbtDL.jpg) [**123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Short Sleeve Newborn)**](https://www.amazon.com/dp/B098RD83G2) 123 Bear$9.934.8★66427%▲rising 2 ![Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 0-3 Months US](https://m.media-amazon.com/images/I/31pMw-k6riL.jpg) [**Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 0-3 Months US**](https://www.amazon.com/dp/B092YTHSSV) Gerber$15.724.8★58,05312%▼falling 3 ![Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 3-6 Months US](https://m.media-amazon.com/images/I/31pMw-k6riL.jpg) [**Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 3-6 Months US**](https://www.amazon.com/dp/B092ZF39C9) Gerber$16.054.8★58,0536%▼falling 4 ![Elevens Kingdom Baby Pajamas 3-6 Months Black Cotton Baby Boy Sleeper Sleepers PJs with Mitten Cuffs 2 Way Zipper Baby Boy Clothes Onesie Footies Infant Sleep and Play Black 3-6 Months](https://m.media-amazon.com/images/I/31Obo92VrVL.jpg) [**Elevens Kingdom Baby Pajamas 3-6 Months Black Cotton Baby Boy Sleeper Sleepers PJs with Mitten Cuffs 2 Way Zipper Baby Boy Clothes Onesie Footies Infant Sleep and Play Black 3-6 Months**](https://www.amazon.com/dp/B08L223366) Eleven's Kingdom$12.024.4★4684%▲rising 5 ![Aablexema Baby Footie Pajamas Zipper - Rayon from Bamboo Infant Footed Pjs with Mittens Sleepwear Jammies(Black Newborn)](https://m.media-amazon.com/images/I/31FdRHZw+ML.jpg) [**Aablexema Baby Footie Pajamas Zipper - Rayon from Bamboo Infant Footed Pjs with Mittens Sleepwear Jammies(Black Newborn)**](https://www.amazon.com/dp/B09TDFR7W8) Aablexema$13.824.4★1,2303%▼falling 6 ![Carhartt unisex-baby Short-Sleeve Pocket Bodysuit Black 12M](https://m.media-amazon.com/images/I/31STCCXeKcL.jpg) [**Carhartt unisex-baby Short-Sleeve Pocket Bodysuit Black 12M**](https://www.amazon.com/dp/B0CXTHNJ6X) Carhartt$10.814.8★1,1523%▲rising 7 ![123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Long Sleeve Newborn)](https://m.media-amazon.com/images/I/31tl2X04SZL.jpg) [**123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Long Sleeve Newborn)**](https://www.amazon.com/dp/B0DGYY1SWZ) 123 Bear$10.044.8★6643%▼falling 8 ![Babymine Black Long Sleeve Baby Boy Onesie 0-3 Months Newborn Clothes for Boys Essentials Infant Summer Fall Winter Clothes Romper Outfits](https://m.media-amazon.com/images/I/31kP6t8fT7L.jpg) [**Babymine Black Long Sleeve Baby Boy Onesie 0-3 Months Newborn Clothes for Boys Essentials Infant Summer Fall Winter Clothes Romper Outfits**](https://www.amazon.com/dp/B0CZN27QZ7) Babymine$10.324.7★3703%▼falling 9 ![Jomixa New Born Romper Baby Bodysuit Jumpsuit 100% Cotton Long Sleeve with Mitten Cuff and Footies for 0-12 Months (Black 3-6 Months)](https://m.media-amazon.com/images/I/218-JeglgNL.jpg) [**Jomixa New Born Romper Baby Bodysuit Jumpsuit 100% Cotton Long Sleeve with Mitten Cuff and Footies for 0-12 Months (Black 3-6 Months)**](https://www.amazon.com/dp/B0D9D7K68V) Jomixa$9.884.4★1463%▼falling 10 ![Jimonda Baby Boy Girl Bubble Romper Solid Color Bodysuit Short Sleeve Cotton T-Shirt Outfits Funny Clothes Summer Tops Black9-12M](https://m.media-amazon.com/images/I/41dulYtsQwL.jpg) [**Jimonda Baby Boy Girl Bubble Romper Solid Color Bodysuit Short Sleeve Cotton T-Shirt Outfits Funny Clothes Summer Tops Black9-12M**](https://www.amazon.com/dp/B0DTHVN6Q5) Jimonda$13.904.7★3193%▲rising 11 ![Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 12 Months US](https://m.media-amazon.com/images/I/31pMw-k6riL.jpg) [**Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 12 Months US**](https://www.amazon.com/dp/B092YQ199J) Gerber$16.074.8★58,0532%▲rising 12 ![Jomixa New Born Romper Baby Bodysuit Jumpsuit 100% Cotton Long Sleeve with Mitten Cuff and Footies for 0-12 Months (Black 0-3 Months)](https://m.media-amazon.com/images/I/218-JeglgNL.jpg) [**Jomixa New Born Romper Baby Bodysuit Jumpsuit 100% Cotton Long Sleeve with Mitten Cuff and Footies for 0-12 Months (Black 0-3 Months)**](https://www.amazon.com/dp/B0D9D89T18) Jomixa$9.884.4★1462%▼falling 13 ![Gerber Unisex Baby 5 Pack Onesies Multi-Packs Bundle Interlock 180 GSM Shirt Black 6-9 Months US](https://m.media-amazon.com/images/I/31cGncxUhaL.jpg) [**Gerber Unisex Baby 5 Pack Onesies Multi-Packs Bundle Interlock 180 GSM Shirt Black 6-9 Months US**](https://www.amazon.com/dp/B092YWHSP7) Gerber$18.444.8★5,8442%—flat 14 ![Laughing Giraffe Baby Blank Short Sleeve Unisex One Piece Bodysuit (6-12 Months Black)](https://m.media-amazon.com/images/I/41oRps9PlFL.jpg) [**Laughing Giraffe Baby Blank Short Sleeve Unisex One Piece Bodysuit (6-12 Months Black)**](https://www.amazon.com/dp/B07B113C8Q) Laughing Giraffe$9.044.9★782%▲rising 15 ![Gerber Baby Long Sleeve Solid Onesies Multi-Pack Interlock 180 GSM Black 0-3 Months](https://m.media-amazon.com/images/I/31vIHYiSGBL.jpg) [**Gerber Baby Long Sleeve Solid Onesies Multi-Pack Interlock 180 GSM Black 0-3 Months**](https://www.amazon.com/dp/B0C8BRZ7Q6) Gerber$20.504.8★9892%▼falling **~~Showing 15 of 29 — show all ~~** ## **Product shelf** All 29 tracked products in this niche. Top sellersNewestTrending [![123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Short Sleeve Newborn)](https://m.media-amazon.com/images/I/319c0zmbtDL.jpg)**123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Short Sleeve Newborn)** 123 Bear**$9.93**4.8★664 reviews](https://www.amazon.com/dp/B098RD83G2) [![Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 0-3 Months US](https://m.media-amazon.com/images/I/31pMw-k6riL.jpg)**Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 0-3 Months US** Gerber**$15.72**4.8★58,053 reviews](https://www.amazon.com/dp/B092YTHSSV) [![Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 3-6 Months US](https://m.media-amazon.com/images/I/31pMw-k6riL.jpg)**Gerber Baby Boys 5-pack Solid Onesies Bodysuits Shirt Black 3-6 Months US** Gerber**$16.05**4.8★58,053 reviews](https://www.amazon.com/dp/B092ZF39C9) [![Elevens Kingdom Baby Pajamas 3-6 Months Black Cotton Baby Boy Sleeper Sleepers PJs with Mitten Cuffs 2 Way Zipper Baby Boy Clothes Onesie Footies Infant Sleep and Play Black 3-6 Months](https://m.media-amazon.com/images/I/31Obo92VrVL.jpg)**Elevens Kingdom Baby Pajamas 3-6 Months Black Cotton Baby Boy Sleeper Sleepers PJs with Mitten Cuffs 2 Way Zipper Baby Boy Clothes Onesie Footies Infant Sleep and Play Black 3-6 Months** Eleven's Kingdom**$12.02**4.4★468 reviews](https://www.amazon.com/dp/B08L223366) [![Aablexema Baby Footie Pajamas Zipper - Rayon from Bamboo Infant Footed Pjs with Mittens Sleepwear Jammies(Black Newborn)](https://m.media-amazon.com/images/I/31FdRHZw+ML.jpg)**Aablexema Baby Footie Pajamas Zipper - Rayon from Bamboo Infant Footed Pjs with Mittens Sleepwear Jammies(Black Newborn)** Aablexema**$13.82**4.4★1,230 reviews](https://www.amazon.com/dp/B09TDFR7W8) [![Carhartt unisex-baby Short-Sleeve Pocket Bodysuit Black 12M](https://m.media-amazon.com/images/I/31STCCXeKcL.jpg)**Carhartt unisex-baby Short-Sleeve Pocket Bodysuit Black 12M** Carhartt**$10.81**4.8★1,152 reviews](https://www.amazon.com/dp/B0CXTHNJ6X) [![123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Long Sleeve Newborn)](https://m.media-amazon.com/images/I/31tl2X04SZL.jpg)**123 Bear Baby Cotton Spandex Infant Bodysuits Long Sleeve and Short Sleeve (Black 2-Pack Long Sleeve Newborn)** 123 Bear**$10.04**4.8★664 reviews](https://www.amazon.com/dp/B0DGYY1SWZ) [![Babymine Black Long Sleeve Baby Boy Onesie 0-3 Months Newborn Clothes for Boys Essentials Infant Summer Fall Winter Clothes Romper Outfits](https://m.media-amazon.com/images/I/31kP6t8fT7L.jpg)**Babymine Black Long Sleeve Baby Boy Onesie 0-3 Months Newborn Clothes for Boys Essentials Infant Summer Fall Winter Clothes Romper Outfits** Babymine**$10.32**4.7★370 reviews](https://www.amazon.com/dp/B0CZN27QZ7) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**20% *“Great quality”* **Size-Overall**16% *“Great fit”* **Material Quality**16% *“Its lightweight and nice material”* **Soft Feel**15% *“The material is soft, breathable, and comfortable on my babys skin”* **Comfort-Overall**8% *“Great for my baby and Comfortable”* **Stretchability/Expandability/Elasticity**5% *“Nice stretchy material”* **Thickness**5% *“there thick”* **Color**5% *“The color and quality seem great,”* **Durability**2% *“durable”* **Shrinkage Resistance**2% *“No shrinking or stretching either”* ### **What buyers complain about ** **Size-Overall**22% *“Inconsistent sizing”* **Gap/Hole**17% *“Hole”* **Smell**17% *“These onesies smelled like pure throw up I want a full refund”* **Shrinkage Resistance**8% *“Shrunk”* **Durability**8% *“Shrunk”* **Wrinkles**8% *“Shrinks after you wash and dry it”* **Quality-Overall**8% *“Not the best quality”* **Length**6% *“One of the onesies is longer than the others”* #### **Top return reasons**- Size-Overall59% - Length11% - Material Quality6% - Sleeve Fit4% - Value For Money3% - Advertised Vs Actual Product2% - Width2% - Arm Fit2% - Quality-Overall2% - Color2%