Mama's Boy Baby Long Sleeve Onesie
Mama's Boy Baby Long Sleeve Onesie
Couldn't load pickup availability


Soft, Snuggly & Always by Mama’s Side
For the baby who’s proudly Team Mama, the Mama’s Boy Infant Long Sleeve Bodysuit is made for cuddles, giggles, and everyday adventures. Whether it’s nap time, tummy time, or snuggle time, this soft and breathable bodysuit keeps your little one cozy and cute from morning to bedtime.
Crafted from 100% combed, ring-spun cotton, the fabric feels smooth against delicate skin while offering lightweight comfort that lasts all day. Ribbed bindings and a classic fit give plenty of wiggle room, and the durable cross-snap closures make diaper changes quick and easy—because Mama’s boy doesn’t have time to waste when there are snuggles to be had.
Perfect for everyday wear or as a sweet gift, this bodysuit is for the little one who knows there’s no better place than right by Mama’s side.
Graphic Designed & Printed in the USA
Fit & Craftsmanship
Fit & Craftsmanship
Long Sleeve Onesie
Designed for comfort, durability, and easy changing, the Long Sleeve Onesie is a must-have for babies and infants. Made from 100% combed, ring-spun cotton (fiber content may vary for different colors), this lightweight fabric (5.0 oz/yd² | 170 g/m²) ensures a soft, breathable feel that’s gentle on delicate skin. The ribbed knit bindings provide extra stretch and durability, allowing for a better range of motion, while the plastic snap closure makes diaper changes quick and hassle-free.
- Soft and breathable fabric for ultimate comfort
- Classic fit to allow easy movement for active little ones
- Plastic snap crotch closure for convenient diaper changes
- Ribbed knit bindings for durability and flexibility
- Tear-away label for irritation-free wear
- Graphic designed and printed in the USA using globally sourced materials
With its cozy fit and thoughtful construction, the Long Sleeve Onesie is built to keep babies comfortable, warm, and ready for any adventure.
Size Chart
Size Chart
Size | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
---|---|---|---|---|---|---|---|---|
Width (in) | 18.00 | 20.00 | 22.00 | 24.00 | 26.00 | 28.00 | 30.00 | 32.00 |
Length (in) | 28.00 | 29.00 | 30.00 | 31.00 | 32.00 | 33.00 | 34.00 | 35.00 |
Sleeve Length (from center back) (in) | 15.10 | 16.50 | 18.00 | 19.50 | 21.00 | 22.40 | 23.70 | 25.00 |
Size tolerance: +/- 1.5 in
Use & Care
Use & Care
Machine wash: cold (max 30C or 90F); Non-chlorine: bleach as needed; Tumble dry: low heat; Do not dry clean; Do not iron.











