Your new every day, dressed in sea-glass calm. ‘Baby Not Blue’ lands in a soft milky blue that feels like Byron Bay water at golden hour. A clean, wearable tee with a subtle two-tone circle artwork on the chest and a tiny hem mark. Easy to style, made to last.

Why you’ll love it

• 100% certified organic cotton, soft and breathable

• Midweight knit for year-round wear

• Regular women’s fit, true to size

• Minimal graphic printed with water-based inks

• Pre-washed to help reduce shrinkage

• Ethically produced with plastic-free packaging

• Designed in Australia by Oldest Daughter

Fit and sizing

Regular fit. Take your usual size.
Prefer it slouchy? Go up one size.
Check our Size Guide for exact measurements.

Fabric and care

Organic cotton. Cold gentle machine wash.
Wash inside out. Do not bleach.
Line dry in shade. Warm iron on reverse only.
Do not iron print.

Design notes

Milky blue body with a centred two-tone circle motif that nods to phases, tides and clean geometry. Pairs with denim, linen shorts or layered under a blazer.

Shipping and returns

Ships from Australia with standard and express options. Easy 30-day returns on full-price items in original condition.

Sustainability

Certified organic fibre, low-impact inks, responsible supply chain, recyclable packaging. Better for your skin and the sea we love.

Style it with

• White denim or ecru linen

• Barefoot at the beach or sneakers in the city

• Layered necklaces to echo the circle graphic

Oldest Daughter — made for real life, with feeling.

Size Guide

Centimeters

Bust: Measure around the fullest part of your torso, just below your armpits.

Waist: Measure around your waistline.

Hips: Measure around the fullest part of your hips.

If you fall between the sizes, go for the larger of the two.

Product Specification

Certified Organic Cotton T-shirt, 155g/m2. Wash cool, hang dry. GM free. Not tested on animals. Does not contain animal-derived products. Printed with low waste printing tech. Made in a renewable energy powered factory audited for a wide range of social and sustainability criteria.