Buying clothes for someone else's kid is harder than it looks. You pick something gorgeous, hand it over to a beaming new parent, and three months later you find out it was the wrong size, the wrong season, or made of a fabric the baby's skin hated. We hear this from grandparents, aunties and family friends every week through our Sydney store, so we've written this guide to make gift-giving easy.
Whether you're shopping for a niece, a grandson, or a friend's baby shower, this is the Australian gift-buyer's cheat sheet for kids clothing — covering sizing, season, fabric, and the styles that actually get pulled out of the drawer instead of left in the tissue paper.
1. Buy one size up. Always.
This is the single biggest mistake adults make when buying for kids. You see a size 1 onesie that looks adorable on the rack, you buy it, and by the time the baby is the right size to wear it the weather has flipped. Kids grow in spurts. A six-month-old can jump two sizes in eight weeks.
The fix is simple — buy one size up, and buy for the season the child will be in next, not the season they're in now. Buying for a winter baby in May? Go for a size 1 jumper or hoodie, not a 0–3 month onesie. They'll wear it through next winter. If you're shopping for a one-year-old in summer, size 2 t-shirts and shorts will still fit them next summer too.
Our sizing chart shows what age each size suits, with overlap built in.
2. Fabric matters more than you think
Babies and toddlers have skin that's three to five times more sensitive than ours. Synthetic blends (polyester, acrylic, nylon) trap heat, irritate skin, and pill after a few washes. Cheap cotton blends often have scratchy seams and stiff trims that cause meltdowns at dressing time.
If you remember one thing from this guide — look for 100% cotton on the label, or close to it. It breathes in Australian summers, softens with every wash, and holds up to the daycare lifestyle. Premium cotton specifically (the kind we use in our curved tees and hoodies) feels closer to vintage band-tee soft, not flimsy or papery.
3. The five gifts that actually get worn
Premium cotton tees
The workhorse of every kid's wardrobe. New parents are constantly running out of clean tops because toddlers go through three a day — paint, food, juice, mud. A nice multi-pack of curved-hem tees or simple tees in neutral colours is the kind of gift parents actually open and immediately use.
A statement piece they'll get photos in
If you want the “wow” gift — the one that gets unwrapped at the baby shower and passed around — go for a piece that's photographable. Our black velvet set is the most-gifted item in our range; mums use it for first-birthday shoots, Christmas cards, and 12-month milestone photos. The kids bomber jacket in khaki or black is another favourite — it looks like something out of a designer brand at a fraction of the cost.
A two-piece set
Sets remove decision-fatigue for parents. They grab one item, it comes with its match, the kid's dressed. Tracksuit sets are particularly loved — they survive daycare, look great in photos, and parents don't have to think about coordinating tops and bottoms.
Real cotton stretch jeans
Most kids' jeans are either too stiff (the child can't squat or climb) or so stretchy they look like leggings. Our stretch jeans are the in-between — they look like real denim, but the child can move freely. A great gift for the active toddler in your life.
A celebration onesie for newborns
For baby showers and newborn gifts, a special onesie hits the mark. Our Citizen of the World onesie is one of our most-gifted items — soft cotton, flush snap buttons, and a message new parents love.
4. What to avoid
- Anything with character licensing. Parents have strong opinions and most prefer neutral, photogenic pieces.
- Bright white anything for a one-year-old. It'll be stained within an hour. Save it for the photoshoot pieces.
- Tights and socks alone. Necessary but never exciting to unwrap. Pair them with a tee or set.
- Anything dry-clean only. Parents won't dry-clean a kid's outfit. The garment will sit in the drawer untouched.
5. Practical buying tips for Australian gift-givers
If you're shipping a gift interstate, check the brand's location — Australian-based stores ship faster and don't get held up at customs. (We ship from our Sydney warehouse, usually within one to two business days.)
If you're not sure what size to choose, check our gift card option — parents can pick what they need most. It's not the most exciting gift to unwrap, but it's the one that gets used.
For ready-to-gift inspiration we've curated a Gifting collection of the pieces that consistently get the best reactions from new mums, dads, and grandparents.
The bottom line
The best gift is one the child actually wears — and one the parent isn't quietly returning. Buy a size up, stick to natural fibres, choose a piece that photographs well, and you'll be the gift-giver everyone remembers. Toddler clothing should be soft, durable, and Instagram-worthy without being precious. That's our whole brief at The Unknown Children — Australian-made, shipped from Sydney, designed for kids who actually live in their clothes.