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Cozy Knit Baby Romper Set with Hat – Long Sleeve Winter Outfit 0-18M

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Product Details

Adorable Comfort for Everyday Moments

Wrap your little one in warmth and charm with this cozy knit baby romper and matching hat. Designed for newborns up to 18 months, this two-piece outfit combines softness, style, and practicality—perfect for daily wear during the cooler months. Crafted from gentle acrylic knit, it offers a snug and breathable feel that keeps babies comfortable while allowing easy movement. With its solid color design, cute pompom detail, and long sleeves, this romper is an irresistible blend of cuteness and functionality.

Why Parents Love It

This romper set is best used during fall and winter, or anytime your baby needs extra warmth without feeling restricted. The single-breasted closure and O-neck design make dressing simple and fuss-free, while the full-length sleeves and knit texture offer added coziness. What makes this product special is its unisex style—perfect for baby boys and girls—and its timeless, minimal look that never goes out of fashion. With true-to-size fit and multiple size options, it ensures a comfortable, natural feel from newborn to early toddlerhood.

Key Features

  • Soft knit fabric for warmth and comfort
  • Long sleeves ideal for winter and chilly days
  • Matching hat with pompom adds adorable charm
  • Easy single-breasted closure for quick dressing
  • Unisex solid-color design suitable for boys and girls
  • Available sizes: 0–3M, 3–6M, 6–9M, 9–12M, 12–18M
  • Romper lengths: approx. 20.47 in to 22.83 in depending on size

Benefits for You and Your Baby

  • Keeps your baby warm during colder seasons
  • Gentle knit fabric feels soft against delicate skin
  • Classic design perfect for daily wear or photos
  • Easy to pair with socks, booties, and accessories
  • Comfortable fit supports natural movement

Give Your Baby the Best

Whether you're heading out for a family stroll or keeping your little one cozy at home, this knit romper set is a must-have winter essential. Its softness, adorable style, and practical features make it an outfit you'll reach for again and again. Treat your baby to comfortable warmth and undeniable charm—add this lovely romper and hat set to your cart today!

Size Chart

Size Bust (in) Length (in)
0–3M 20.47 19.69
3–6M 21.26 21.26
6–9M 22.05 22.83
9–12M 22.83 24.41
12–18M 23.62 26.38
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Shipping & Payment

Shipping

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 5-20 Business days
Canada, Europe 5-20 Business days
Australia, New Zealand 5-20 Business days
Central & South America 5-20 Business days
Asia 5-20 Business days
Africa 5-20 Business days
*This doesn’t include our 1-3 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Returns

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time (45 days not including 1-3 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside of our control (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside of our control.

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message at support@sellvia.com

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Refunds & Returns

Refunds, returns, and exchanges

In the event that your order arrives damaged in any way, please email us as soon as possible at support@sellvia.com with your order number and a photo of the item’s condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution.

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