Newborn Baby Undershirt Set | Baby Pink
Newborn Baby Undershirt Set | Baby Pink
Newborn Baby Undershirt Set | Baby Pink
Newborn Baby Undershirt Set | Baby Pink
Newborn Baby Undershirt Set | Baby Pink

Newborn Baby Undershirt Set | Baby Pink

Regular price$51.90
Tax included. Shipping calculated at checkout.

Sunday Hug Newborn Baby Undershirt Set


1. Items in the Set

  • Cap: with straps that you can tie underneath the chin. Effectively keeps your baby's head warm.
  • Shirt: features a traditional Korean clothing design. Unique design that is hard to find elsewhere!
  • Mittens: prevents your baby from scratching himself.
  • Booties: protects the sensitive feet of your baby.

*Note: A baby's feet are in continuous growth and formation. If we cover them with tight footwear when they’re growing, we’re harming their optimal foot development. Our booties are perfect for your baby because it doesn't restrict development.

2. Fabric

  • Keeps baby's sensitive & delicate skin soft as its excellent for sweat absorption. 💦
  • Perfect for day-time usage or in an air-con environment. You can clothe your baby with our 100 Day Set in the daytime and swaddle at night-time!
  • Material: 100% Premium Korean Cotton

3. 100% Premium Korean Cotton

  • Sunday Hug's 100 Day Set is perfect for your baby's delicate skin as it's made up from 100% knitted cotton that is soft & soothing, yet stretchable.

4. Tags Outside

  • Sunday Hug's product tags are all thoughtfully placed outside so they don’t irritate a baby's skin. They’re meant to be cut off as well!

5. Non-toxic products

  • Sunday Hug Baby products only use certified and non-toxic products for fabrics, zippers, and labels.
  • All the products of Sunday Hug have completed the Self-regulatory Safety Certification Test conducted by the Certification Examination Institute in Korea.
  • Self-regulatory Safety Confirmation Application Certificate No.: CB014H419-0004


Orders are shipped on the next business day. It may take a few days to be shipped out if your order is placed after national holidays or on Fridays. Please note that Sunday Hug operates based on KST, UTC+9.


Once your order is dispatched, you will receive a confirmation email with a tracking number. You can check the status of delivery using the tracking number on the website of the delivery courier below.

DHL Express 


We ship orders through DHL Express and other couriers depending on the size and weight of your order and the country to which it is being delivered. Delivery typically takes 2 to 5 business days, but there can be unexpected delays due to weather conditions or the current COVID-19 pandemic.


Orders shipped outside of Korea may be subject to import taxes, customs duties and fees levied by the destination country. Additional charges for customs clearance must be fulfilled by the recipient; Sunday Hug has no control over these charges, nor can Sunday Hug predict what they may be.
Customs policies vary widely by country; please contact your local customs office for more information. Customs clearance procedures can cause delays beyond our original delivery estimates.


Our primary courier DHL cannot deliver to P.O. boxes or APO/FPO addresses.

To maintain the quality of your products we recommend the following wash instructions:

  • Wash with like fabrics
  • Machine wash cold
  • Do not iron
  • Do not bleach
  • Tumble dry low

Sunday Hug does not recommend using the dryer. We recommend hanging or laying flat to dry.

When you wash your lounger, Relaxer & any other cushion products sparingly with cold water in laundry net, mild detergent and with a gentle agitation.

Please make sure to dry your products COMPLETELY before using again. 

Size chart
Final Sunday Hug Baby Relaxer Size Guide
sunday hug

Designed for families

Make Sunday Hug part of your daily life with your family

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