“Finally, a onesie that doesn’t irritate my son’s eczema, it’s buttery soft and has just the right amount of stretch.”
★★★★★5.0 (86) - REVIEWS
Sweatshirt Onesie + Sweatpant Set
$48
$43 W/ Purchase of 4 Tees
Finally, a shirt that stays put.
Soft bamboo sets made for easy outfits, comfy play, and all-day wear.
✓ARRIVES IN 2-3 DAYS
The fabric feel
Our signature bamboo viscose is milled to be twice as soft as cotton. It has a silk-like drape and a cooling touch that calms fussy babies instantly.
Fit & sizing
Designed with a grow-with-them fit for sizes 3M-24M.
Washing instructions
Wash cold and tumble dry low to keep the bamboo soft and smooth.
★★★★★
“Finally, a onesie that doesn’t irritate my son’s eczema, it’s buttery soft and has just the right amount of stretch.”
Finally, a shirt that stays put.
Frequently Asked Questions
Does bamboo really help with eczema?
Yes. Bamboo fibers are incredibly smooth and round, which means they do not have the microscopic hooks that cotton or wool have. This reduces friction against the skin, helping to calm flare-ups.
Are the snaps nickel-free?
Absolutely. All our hardware is nickel-free and lead-free to help avoid skin irritation.
Will it shrink in the wash?
Our bamboo fabric is pre-washed to minimize shrinkage. Wash cold and tumble dry low to keep the tee soft and smooth.
Stays put through the crawl, the carry, and the high chair.
One piece = one less layer to fuss with at every change.
Bamboo so soft moms keep checking the label to make sure it is clean.
Cute enough for the playground. Practical enough for the floor.
Holds its shape through wash after wash - no pilling, no shrinking surprises.
Sized 3M-24M so you are not re-buying every six weeks.
The Science Behind the “Onesie Tee”
1
Snap-Tucked™ bottom
A soft underlayer that snaps clean below the diaper, so the tee can’t ride up.
2
Bamboo Fabric
Ultra-soft, breathable fabric that naturally regulates temperature and stretches with baby’s belly, hips, and rolls instead of fighting them.
3
Grow-with-Them Fit
Bamboo fabric’s stretch and recovery means each size lasts longer than a typical cotton tee.
4
Gentle on Skin
Naturally smooth and hypoallergenic, ideal for sensitive baby skin.
The Better Way
Feature
Our Tee
Others
Premium Bamboo Fabric
Yes
Polyester Blend
Stays Tucked In
Yes
Rides Up All Day
Built-in Onesie Attachment
Yes
Shifts Out of Place
Temperature Regulating
Yes
Traps Heat
Tag-less Comfort
Yes
Itchy Labels
Thoughtfully designed for everyday wear.
Product details
Material
95% bamboo viscose, 5% spandex
Closure
3-snap underlayer below the diaper line. Nickel-free.
Sizes
3M/6M/9M/12M/18M/24M.
Care
Cold wash, tumble dry low, No fabric softener.
Made for everyday confidence
Designed in Utah
Inspired by two boy moms
Free shipping
over $100
Customer Reviews
Overall rating: 5.0 / 5 from 86 reviews.
These shirts are perfect! The quality is impeccable, to the point where I don’t want the boys the ruin them!! They are so soft, nicely made, and clean up very well. Thank you for distributing a quality product! Also, they have room to grow into them which makes me happy as they will be able to wear them for longer! The twins approve!
We love this set! The material is thick but soft and stretchy. My son is big for his age, at 14mo he's 33in and almost 30lb. The 18-24m set just fits. I wish I would've found these clothes when he was younger!
Cannot rave about these enough! We want every single shirt offered. We live in these, and now I don’t want to put anything else on my little one. It’s so soft and stretchy. True to size and stays down. Love love love!
Store owner replied:
Yay! We’re so happy you love it! We totally get it—onesies and pants don’t always work well together, which is exactly why we created this set. So glad you’re loving the softness and ease too! Thank you for your support!
The absolute softest clothing- great fit. My kid loves wearing this set. He always gets a lot of compliments when he’s in it. Don’t hesitate to buy this- you’ll find yourself reaching for it constantly.
Store owner replied:
This is the best thing to hear! Comfort is everything for little ones, and we love that your kiddo enjoys wearing it (and getting compliments—so fun!). Thank you for your kind words and for being part of the Black Sheep Baby Co. family!
This tiny pocket is the sweetest and I love that it comes in one of my favorite neutral colors.