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Organic Cotton Summer Baby Onesie - Underwater World Blue

Organic Cotton Summer Baby Onesie - Underwater World Blue

Regular price $22.59
Regular price Sale price $22.59
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Supremely soft onesie that's gentle on your child’s delicate skin. Luxe 180gsm GOTS certified organic cotton, sustainably made from seed to seam.

Gorgeous ocean-inspired print designed by Cass Deller. Free of toxic dyes, bleaches, softeners or treatments.


  • Perfect for Summer and Spring.
  • Supremely soft, breathable and gentle on your child’s young skin.
  • Luxe, highest quality 180gsm cotton.
  • One piece onesie with press studs between the legs for easy nappy changes.
  • Easy to pull over baby's head also with expandable envelope neckline.
  • Sustainably made from seed to seam.
  • Meets the highest standards for the GOTS-Certification for Organics (Global Organic Textile Standard).
  • Free of toxic dyes, bleaches, softeners or treatments – that means NO heavy metals, formaldehyde, flame retardants, endocrine hormone disruptors, BPA, GMO ingredients and other nasties that have the potential to negatively impact children’s health and wellbeing as well as damage the environment and local waterways.
  • Made in a GOTS-Certified Fair Trade Mill in India.
  • Ethical and safe labour standards for the makers involved.


end of life:

When a garment has reached the end of its life and can no longer be worn, mended, swapped, gifted, donated or upcycled, we recommend consulting your local council to find your nearest textile recycling scheme.

Made in GOTS-Certified Mill in India

Browse our full range of organic cotton baby onesies

Made from

GOTS certified Organic Cotton

Care & Use

<p>Wash on cold, gentle machine wash with similar colours. Line dry inside out.</p>

Brand story

Since children spend half of their young lives asleep, Organic Nights creates the purest and healthiest sleepwear for a cosy, comfortable, irritant-free rest.

Australian-designed and founded by two sisters with young families, living beachside on Queensland’s Sunshine Coast in Australia.

This range features cotton certified by the Global Organic Textile Standard (GOTS) from seed to seam to protect our earth and the makers. The sleepwear is made in a well-established, community-minded GOTS-Certified Mill in India that upholds Fair Trade practices, ethical social standards and environmentally sustainable processes.    Find all our organic kids pjs and pyjamas here

Shop Kids Winter PyjamasKids Summer Pyjamas | Baby Sleepwear | Onesie 

Shipping & Returns

We are shipping orders in 3 to 4 working days.  Express orders placed by 1pm AEST Mon-Fri are sent same day. 

45 day returns: If you are not satisfied with a product that you ordered online (*exceptions below), you are welcome to return it to us within 45 days, unused, unworn, and in a pristine saleable condition with the original labels attached, packaging and we will refund your cost of goods. Items marked 'Final Sale' can not be returned unless faulty. *except skin and body care, makeup, food, underwear, earrings, and custom order items, which can not be returned for change of mind.

See our full returns policy here.

Standard: Once the order has shipped, it will arrive in 2 to 7 days depending on your destination. 

Express: only for orders up to 4kg and excludes bulky/heavy items.

Heavy/Overwight Orders: Order overs 5kg in weight will attract a $5 extra weight surcharge.

Click & Collect: choose your local store at checkout and your order to be there within 2 to 4 working days (1 working day for Milton warehouse). Please wait until you receive an email or text to advise that your goods are ready to be collect.

International: Flat rate shipping for orders up to 2kg. International orders are not subject to sales tax, so most prices are less 10% when purchased from overseas. 

See full details on shipping here

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