The First Bra
The First Bra
Size chart
Four sizes: S, M, L and XL.
Sized by weight, not age — two girls the same age can be built completely differently. Weigh her, find her band, done. No tape measure, no cup sizes.
Between two sizes? Size up. The knit has a lot of stretch, and a bra that feels tight is the one she stops wearing.
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She put it on and didn't mention it again — which, with a ten-year-old, is the highest praise available.
Finally something that isn't just a tiny adult bra. Actually built for her age.
Nothing on the box says what it is. She opened it herself and was thrilled.
Description
Description
Her first bra shouldn't feel like a big deal. This one is soft, seamless and quiet enough that she can put it on, forget about it, and get on with her day.
• Completely seamless, so nothing digs in or shows under clothes
• No wires, no removable pads, no scratchy tags
• Double-lined front for full coverage under a school shirt
• Wide, flat straps that don't slip or cut in
• Four-way stretch, so it still fits through a growth spurt
• Machine washable and holds its shape
Most bras that fit a ten-year-old are adult bras made smaller. This one was designed for her body from the start.
Materials & care
Materials & care
Fabric: 65% Nylon, 35% Spandex. Brushed for softness, with four-way stretch.
Care: Machine wash cold on a gentle cycle. Hang dry. No bleach, no fabric softener, no tumble dryer, because heat is what kills stretch.
Made for a body that's still changing
Not an adult bra made smaller. Every part of this was decided for a girl who is still growing, and who mostly just wants to stop thinking about it.
Grows With Her
Four-way stretch knit that moves as she does, so one size lasts through a growth spurt instead of a month.
Double-Lined Front
Full coverage under a school shirt — with no removable pads to shift, bunch, or vanish in the wash.
Completely Seamless
One smooth piece of fabric. Nothing to dig in, nothing to leave a red mark.
No Wires, No Tags
Nothing rigid, nothing scratching the back of her neck. She'll forget it's on.
Sizing a first bra is genuinely hard, especially for a body that changes month to month. If we get it wrong, that's ours to fix — not yours to live with.
Not just a smaller adult bra
Most bras that fit a ten-year-old are built like adult bras, only smaller. This one was designed for her body from the start.
| Murj | A regular bra | |
|---|---|---|
| Completely seamless — nothing digs in | ||
| No wires, ever | ||
| No removable pads to shift or fall out | ||
| Tagless — nothing scratching her back | ||
| Sized by her weight, not by age |
FAQs
How do I know what size to order?
Go by her weight — it's the one number you already know. No tape
measure, no cup sizes, nothing to measure against her chest.
S 50–66 lb (22.5–30 kg) · M 66–83 lb (30–37.5 kg)
L 83–99 lb (37.5–45 kg) · XL 99–121 lb (45–55 kg)
Will it show under her clothes?
It's genuinely seamless — the edges are laser-cut rather than hemmed, so there's no stitching, no elastic ridge and no hardware anywhere to press a line through a t-shirt or a school shirt. Nothing to see and nothing to catch.
Will she actually be comfortable in it?
It's built to disappear. No wire, no clasps, no sliders, no adjusters. The straps are wide and flat instead of thin, so they don't dig or roll. There's no tag — the size and care details are printed straight onto the inside back. If she's sensitive to textures and seams, this is the part that matters most.
What's it made of, and how do I wash it?
65% nylon, 35% spandex — a smooth, lightweight, high-stretch knit. Machine wash cold with like colors. Because the pads are sewn in and there's no hardware to snag, it comes out of the wash the same shape it went in.
How long will it take to arrive?
- Processing: 1–3 business days after you order.
- Delivery: 7–16 business days after it ships.
How do I know she's ready for one?
Usually you don't decide — she does. Most moms order the first one because she asked, or because she's started folding her arms across her chest. There's no age it's supposed to happen at. If she wants something on, she's ready, and this is the softest possible place to start.
What mothers tell us
She put it on and didn't mention it again
Which, if you have a ten-year-old, is the highest praise available. She'd been refusing anything with a wire for months. This one just… worked. Ordered two more colours the same week.
Finally something that isn't a tiny adult bra
Everything I found was either a crop top or a shrunken push-up. This is actually built for her age. The double lining is exactly the coverage I wanted under her white school shirt.
The packaging matters more than you'd think
I ordered it to arrive while she was at school so I could give it to her privately. Turned out I didn't need to — nothing on the box says what it is. She opened it herself and was thrilled.
My daughter's first bra
My daughter's first bra — what a rite of passage. She was worried about it being uncomfortable, showing through her clothes, and basically thought all eyes would be on her. She's been wearing The First Bra and has no complaints. It does not show through, no 'outline' with any of the shirts she wears. There's no messing with straps falling or digging into her shoulders. It's also comfortable enough that she forgets about it. We are very pleased.