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Onesies

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    At SillySanta you'll find over 40 matching styles of onesies – also known as jumpsuits or all-in-one loungewear – for women, men and kids, rated 4.7 out of 5 from over 680 reviews. Match the whole family for this year's cosy night in or holiday card! From the snuggly Brown Teddy Bear Onesie to the Grey and Pink Teddy Bear versions, there's a onesie for every taste in our collection.

    Every style of onesies for the whole family

    The range splits into two clear families. There are the everyday teddy-bear styles you'll reach for all year, and the festive Christmas designs built for the season. Because so many designs come in more than one colour and run across women's, men's and kids' sizing, mixing and matching with friends and family is the whole point. Grab the same print in three sizes for a family movie night, or have everyone in a different colour of the same teddy style, it works either way.

    This page is the overview. Once you've landed on a direction below, follow the links through to the more specific collections, where you'll find the full grid for that style.

    Top 10 Onesies

    Discover our most-loved onesies, from playful character hoods to full-on costume fun.

    1. 1Kids' Astronaut Onesie – Customer favourite: 4.79/5 from 122 reviews. A metallic space suit with mission patches and a buckle belt.
    2. 2Women's Astronaut Onesie – Cheeky slogan patches and a shiny foil finish make this costume impossible to ignore.
    3. 3Men's Blue Monster Onesie – Fuzzy blue fleece with a 3D hood, googly eyes and a wild fur tuft.
    4. 4Kids' Cat Onesie – Our most affordable pick, with pointed ears, fangs and bright slit eyes.
    5. 5Kids' Blue Monster Onesie – Cosy fleece with a cute character hood that kids love to wear.
    6. 6Women's Cat Onesie – Appliqué eyes, teeth and 3D ears bring this striped cat onesie to life.
    7. 7Men's Prisoner Onesie – Classic orange inmate jumpsuit with a 'Bad Choices' print for a sure laugh.
    8. 8Women's Devil Onesie – Soft red-and-black fleece with a playful little-devil twist.
    9. 9Men's Blue Christmas Onesie – Customer favourite: 4.77/5 from 686 reviews. Cosy fleece with reindeer and a Nordic Fair Isle print.
    10. 10Women's Alien Onesie – A three-eyed alien hood with 3D horns and goofy applique eyes.

    Teddy bear and everyday onesies

    The everyday styles are the teddy-fleece loungewear ones, and they're the heart of the all-year range. Think brown, grey and pink teddy bear designs, the kind you live in on a cold Sunday. The teddy material has a real bit of stretch to it, which is why the product pages describe putting one on as getting a giant hug. The brown teddy bear is the staple, and it comes in women's, men's and kids' versions so the whole household can match: the Women's Brown Teddy Bear Onesie, the Men's Brown Teddy Bear Onesie and the Kids' Brown Teddy Bear Onesie are all cut from the same soft fleece.

    These are the ones to reach for when there's no occasion at all. They lounge well, they layer over pyjamas, and the colour choices mean a group can each pick their own shade without anyone clashing.

    Festive and seasonal onesies

    When the season turns, the Christmas designs take over. This is where you'll find Candy Cane, Reindeer, Ho Ho Ho and The Grinch, plus blue Christmas prints, all in the same teddy fleece as the everyday styles. A fun, true detail: a Christmas onesie goes on in about 10 seconds, which matters more than you'd think when you're trying to get everyone downstairs on Christmas morning. Browse the full festive grid in christmas onesies, and if you're shopping for the dads of the house, the mens christmas onesies collection narrows it down for you.

    Halloween is part of the wider onesie family too, even though those costume styles live on their own page rather than in this grid. If you're after spooky designs for a party or trick-or-treating, head straight to halloween onesies for the full Halloween line-up.

    Sizing across women's, men's and kids' onesies

    One of the best things about shopping the hub is that everyone's covered in one place. The fit is regular, so pick the size you'd normally wear. If you're caught between two sizes, size up: a onesie should have a little room to move rather than pull. The same logic applies to the little ones, and you can shop their range directly in kids onesies, with the festive styles gathered in kids christmas onesies. Because the sizing runs right across women's, men's and kids', getting a matching set for the whole family is genuinely straightforward.

    Fabric and care

    Every onesie here is made from the same super soft teddy fleece. The composition is 100% polyester, and some styles use 100% recycled polyester, so you can keep things a little kinder without giving up the warmth. The fleece is what makes them so warm and that bit stretchy, the giant-hug feel running through the whole range.

    Care is simple. Gentle machine wash at a maximum of 30 degrees, turn the onesie inside out first, and wash with similar colours. Skip the tumble dryer, skip the iron, and no bleach or dry cleaning. Treat it gently and the teddy fleece keeps its softness wash after wash.

    Onesies – quick summary
    • 42 matching onesie styles for women, men and kids
    • Priced from €19.95 to €79.95
    • Rated 4.7/5 from 686 reviews
    • Sizes run XXS to 3XL, plus kids' age ranges
    • Includes everyday teddy-fleece styles and festive Christmas designs
    • Teddy-fleece material has a bit of stretch

    FAQ

    What's the difference between a onesie and two-piece pajamas?

    A onesie is a single all-in-one piece that zips up the front, so the top and bottom are joined and there's nothing to ride up or fall down while you're lounging. Two-piece pajamas are a separate top and bottoms you mix and size on their own. The onesie trade-off is simple: you get full head-to-toe warmth and a one-and-done outfit, which is exactly why they're the go-to for cold-weather lounging and matching family photos.

    What styles of onesies does SillySanta carry?

    The range is 87 designs split into two families. The everyday teddy-bear styles, in brown, grey and pink, are the loungewear you reach for all year. The Christmas designs cover Candy Cane, Reindeer, Ho Ho Ho and blue prints, plus licensed favourites like The Grinch. Halloween onesies are part of the wider onesie family too, though those costume styles live on their own collection rather than in this grid. Across all of it, designs run in women's, men's and kids' sizing so a whole household can match.

    What are SillySanta onesies made of, and how do I wash one?

    Every onesie is made from the same super soft teddy fleece. The composition is 100% polyester, and some styles use 100% recycled polyester, so a few options are a little kinder on the planet without losing any warmth. To wash, turn the onesie inside out, run a gentle machine wash at a maximum of 30 degrees, and wash with similar colours. Skip the tumble dryer and the iron, and no bleach or dry cleaning. Treated gently, the teddy fleece keeps its softness wash after wash.

    What makes SillySanta onesies different from an ordinary pajama shop?

    Two things. First, almost every design runs across women's, men's and kids' sizing in the same prints and colours, so matching the whole family or a group of friends is the point, not an afterthought. Second, the festive range goes deeper than most, with licensed characters like The Grinch alongside the Candy Cane, Reindeer and Ho Ho Ho prints, all cut from the same teddy fleece as the everyday styles. You're shopping one consistent range rather than a handful of unrelated sets.

    Which onesies are the most popular?

    The brown teddy bear is the everyday staple, and it comes in women's, men's and kids' versions so the whole household can match. For the festive season, the Reindeer and Candy Cane designs are the standout picks, with The Grinch a favourite for anyone who wants a licensed character. If you're not sure where to start, the brown teddy bear for lounging and the Reindeer for Christmas are the safe two to build around.

    Customer Reviews

    Based on 688 reviews
    84%
    (576)
    13%
    (86)
    2%
    (13)
    1%
    (6)
    1%
    (7)
    A
    Anette G.
    Superdigg onepiece🤗

    Kjempemyk og god onepiece som kommer til å bli mye brukt!!!

    A
    Anonymous

    Gode og myke. Ikke rukket tatt bilde med den men hsr fra forrige julepysj

    I
    Inken

    Super gemütlich und warm, aber nach wenig Nutzung sind schon 2 Nähte aufgegangen. Für den hohen Preis habe ich eine andere Qualität erwartet!

    M
    Marte H.
    Myk og god

    Myk og god. 6åringen var storfornøyd 😊

    T
    Thilda S.
    Mysigt material, bra passform, 100% vibe att

    Mysigt material, bra passform, 100% vibe att matcha med partner

    A
    Anonymous
    Super kuschelig und Mega stylisch

    Super kuschelig und Mega stylisch.
    Tolles Produkt, kann ich nur weiterempfehlen.
    Kam zum Motto “Frühstück im Pyjama“ super an.

    I
    Ingolf W.
    Super Outfit !!

    Super Outfit !! Hat allen Mega gefallen

    C
    Customer
    Fantastic reindeer outfit

    Fantastic reindeer outfit - comfortable and nice and warm. Nice quality - delivered very quickly - thank you - would recommend

    A
    Angela S.
    So comfortable and good quality

    So comfortable and good quality.Will definitely buy from you in 2026

    S
    Stefanie W.
    Super flauschig, bequem, warm, kuschelig -

    Super flauschig, bequem, warm, kuschelig - einfach cozy. Leider im Schritt ein kleines Loch (Naht nicht verschlossen). Haben wir mit wenigen Handgriffen selbst genäht, sollte dennoch nicht so sein. 😉

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