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Top 10
July 2025
Best Baby Long Sleeve Onesies 0 3 Months Unisex
We made a list of the top 10 Baby Long Sleeve Onesies 0 3 Months Unisex based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Simple Joys by Carter's Unisex Babies' Long-Sleeve Thermal Bodysuits, Pack of 4, Black/Green Stripe/Navy/Rust, 0-3 Months
Simple Joys by Carter's
9.8
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4-Pack Value: Each set includes four versatile bodysuits, providing excellent value and multiple outfit options for your little one. Perfect for building a complete wardrobe with fewer items, ensuring you always have a clean bodysuit on hand.
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Thermal Fabric: Crafted from soft, breathable thermal fabric that offers warmth and comfort without being too bulky. The thermal design helps to keep your baby cozy during cooler weather, while still allowing for easy movement.
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Overlap Shoulders: Features convenient overlap shoulders, allowing for easy dressing and undressing. This thoughtful design enables you to pull the bodysuit down over your baby’s body rather than over their head, preventing discomfort and making changes quicker and easier.
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Snap Closures: Equipped with snap closures at the bottom for secure diaper changes, providing a snug fit while ensuring easy access when it’s time for a quick swap.
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Modern Prints and Colors: Each bodysuit in the pack features contemporary prints and colors, offering a stylish, fresh look that suits your baby boy’s playful personality. Perfect for both casual days at home and outings.
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Machine Washable: Designed for busy parents, these bodysuits are machine washable, maintaining their softness and durability wash after wash. No need to worry about special care instructions—just toss them in the laundry for easy maintenance.
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Certified & Safe: OEKO-TEX Standard 100 certified, means this fabric is safe for delicate skin.
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2
Gerber Unisex Baby Multi-Pack Long-Sleeve Onesies Bodysuit Mitten Cuff Sizes 6-Pack White 3-6 Months
Gerber
9.6
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✓
Includes six white Gerber long sleeve bodysuits (Sizes Preemie, Newborn, & 0-3 Months include mitten cuffs)
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Soft cotton rib
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Higher-in-the-front bottom snap closure for easy changing
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Lap shoulder neckline for ease of dressing
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Machine wash and dry
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3
Amazon Essentials Unisex Babies' Long-Sleeve Bodysuits, Pack of 6, Beige/Light Grey Heather/White, 0-3 Months
Amazon Essentials
9.5
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SOFT COTTON RIB: Cut from medium weight 100% cotton rib knit that is naturally breathable, stretchy, and soft.
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LONG SLEEVE BODYSUIT: Soft and comfortable bodysuit. Wear solo or match back to prints offered in Amazon Essentials Baby.
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DETAILS: Shoulders overlap for easier on and off. Tag-free neckline for comfort without itch. Features two rows of snaps for extended wear as your baby grows.
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4
Simple Joys by Carter's Unisex Babies' Long-Sleeve Bodysuit, Pack of 5, Grey/White, 0-3 Months
Simple Joys by Carter's
9.4
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Great Value Pack: Comes with five long sleeve bodysuits in a mix of neutral colors and charming patterns, giving you more outfit options for everyday wear
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Easy Dressing & Changes: Designed with overlap shoulders for quick pull-on styling and snap closures at the bottom for smooth diaper changes
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Soft & Gentle on Skin: Made from a plush fabric that feels soft and soothing, keeping your little one comfortable all day
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Versatile for Layering: Perfect for wearing alone in mild weather or layering under sweaters and sleepers for extra warmth
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Durable & Long-Lasting: Designed to withstand multiple washes while maintaining its shape and softness, making it a go-to essential
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Machine Washable: Easy to clean and maintain, so parents can spend less time on laundry and more time with their little one
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Certified & Safe: OEKO-TEX Standard 100 certified, means this fabric is safe for delicate skin
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Product received may be manufactured in Cambodia, China or India
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29% Discount
5
Hudson Baby baby girls Cotton Long-sleeve Bodysuits Bodysuit, Burgundy Football, 3-6 Months US
Hudson Baby
9.3
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Set includes coordinating long-sleeve bodysuits
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Made with 100% cotton
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Soft, gentle and comfortable on baby's skin
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Optimal for everyday use
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Affordable, high quality value pack
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6
Onesies Brand Unisex Baby 8-Pack Mix & Match Bodysuits, White Short & Long Sleeve, 3-6 Months
Onesies Brand
9.2
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100% cotton
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imported
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snap closure
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machine wash
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includes four long and four short sleeve onesies brand bodysuits
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higher-in-the-front bottom snap closure for easy changing
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soft cotton rib fabric
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Weave type: Knit
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7
Gerber Baby Girls' 6-Pack Long-Sleeve Onesies Bodysuits, Castle, 0-3 Months
Gerber
9.1
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Includes six long sleeve bodysuits
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Features an expandable lap shoulder neckline and high-positioned bottom snaps for easier changes
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Perfect to mix and match
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STANDARD 100 by OEKO-TEX
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Fabric: 100% Cotton
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50% Discount
8
Hudson Baby Unisex Baby Cotton Long-Sleeve Bodysuits Fall Botanical 5-Pack, 0-3 Months
Hudson Baby
9.0
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Buy on Amazon
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Set includes coordinating long-sleeve bodysuits
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Made with 100% cotton
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Soft, gentle and comfortable on baby's skin
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Optimal for everyday use
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Affordable, high quality value pack
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7% Discount
9
Onesies BrandUnisex Baby6-Pack Long Sleeve Bodysuitsdog0-3 Months
Onesies Brand
8.9
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✓
Includes six long sleeve onesies brand bodysuits
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Higher-in-the-front bottom snap closure for easy changing
✓
Weave Type: Knit
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18% Discount
10
Hudson Baby Unisex Baby Cotton Long-sleeve Bodysuits, Neutral Basic, 3-6 Months US
Hudson Baby
8.8
VIEW DEAL
Buy on Amazon
✓
Set includes coordinating long-sleeve bodysuits
✓
Made with 100% cotton
✓
Soft, gentle and comfortable on baby's skin
✓
Optimal for everyday use
✓
Affordable, high quality value pack
Learn more
on Amazon
More Info
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