Bleuet began as a mom-led answer to scratchy training bras. Today its line is built around the Bleum family of bralettes, each designed for all-day comfort and genuine coverage for AA–C cups.

Why Bleuet tops the teen list

• Reversible, double-layer coverage means no removable pads to lose in the wash.

• The numeric-size range (6 – 24) grows from kids’ XS to women’s XXL, so one brand can follow a tween straight into college.

• A two-month, no-questions return window plus charitable reuse keeps both parents and planet happy.

• Bleuet’s mix of sensory-friendly construction, inclusive sizing, and purpose-driven manufacturing makes it the strongest all-round choice among new bra brands for training bras.

Key Bleuet Designs 

Grab your first Bleuet Bra today and give your tween a bra they’ll actually forget they’re wearing.

2. Athleta Girl

Athleta’s youth line takes the easy-moving spirit of its adult range and resizes it for growing bodies. Its bras feel more like sports tops than underwear, relying on stretchy cotton or soft performance knits that keep up with dance rehearsals and weekend hikes. Adjustable straps and ventilated back panels help kids tweak the fit and stay cool without fiddling during a game or practice.

Athleta Girl also leans into the eco story its parent brand champions: factories are Fair Trade Certified™, shipping envelopes are paper rather than plastic, and the company publishes progress reports on using more recycled and organic fibers each year.

Why Tweens Like It

• Looks and feels like activewear they already wear to practice

• Works as both an everyday layer and a light-impact sports bra, so one style covers most activities

• Sizes cover early grade-school through early teens; easy chart, no cup codes

• Straps adjust or cross; back panels use small vents so heat can escape

• Bundles drop the per-bra price and give a spare for laundry day

3. Yellowberry

Yellowberry’s origin lore is practically a start-up myth. In 2013, 17-year-old Megan Grassell took her 13-year-old sister on a first-bra mission, recoiled at push-up racks, and sketched an alternative on notebook paper that night. She cold-called Wyoming cut-and-sew shops, sold a Kickstarter batch in 2014, and now runs a full e-commerce line plus seasonal pop-up stores.

Fabric and Construction

• Pipit Classic — Double-lined Pima-cotton knit with a touch of spandex; no foam or pads, so it stays breathable yet opaque. Convertible straps let girls swap to racerback in seconds.

• Tulip Seamless — Updated nylon-spandex tube-knit that’s thicker and softer than the original release, with gentle ruching for growing shapes. Feels “like air” and arrives in singles or three-packs.

Both styles are machine-washable and built to survive tumble-dry cycles—handy for busy households.

Why families come back

Clear sizing, age-appropriate imagery, breathable fabrics, and a founder story girls relate to keep Yellowberry in the running drawer after drawer. If your shopper wants cotton comfort with zero “grown-up” padding, Pipit is an easy first step; if she leans sporty, Tulip Seamless is the no-pinch backup. Together they cover PE class, school concerts, and the growth spurts in between.

4. Apricotton

Apricotton sprang from a university project: Western University business grads Chloe Beaudoin and Jessica Miao turned their class pitch into Canada’s first tween-focused bra label in 2020. Their goal was to act like “big sisters,” replacing awkward mall trips with styles that arrive alongside puberty advice and TikTok-style tips.

Hero product & fabric

The Cloud Bra leads the range. Key specs:

• 73 % nylon / 27 % spandex moisture-wicking knit—soft, breathable, and built to spring back after stretching.

• Adjustable back band that expands two band sizes, so one bra can follow a tween for several growth spurts.

• Removable pads slide in from the side; two ultra-soft inner layers keep coverage even without them. 

Apricotton markets this package as Apricotton Magic™: four-way stretch plus cloud-soft lining that moves without pinching.

Why it resonates

Stretch-to-grow engineering means fewer size upgrades, while founder-run DMs and polls give tweens a voice in color drops. Parents appreciate the simple sizing, free returns, and frank puberty resources; teens stay for a bra that moves from school desk to volleyball court without adjustment. Apricotton turns what used to be an awkward milestone into a conversation led by girls themselves.

Five Buying Mistakes That Trip Up Parents and Tweens

Buying a first—or next—bra is easier when you know the common pitfalls. The five slip-ups that follow show up in fitting rooms and online carts again and again. Steer clear of them and you’ll spend less time on returns and more time with a bra that feels right from homeroom to after-school practice.

Treating cup growth as the first milestone

Most girls add inches around the rib cage long before the bust fills out. If the band is tight, breathing feels awkward and straps dig in, even when the cup still looks roomy. Re-measure the under-bust every few months; the cup can wait.

Skipping the “move test”

A bra that looks neat in front of the mirror can slide, gape, or chafe once the wearer starts jumping or stretching. After adjusting straps, ask your child to reach for the ceiling, touch toes, and twist side to side. If the band creeps up or the front wrinkles, swap sizes or styles.

Letting the dryer do the damage

Spandex fibers give bras their snap-back stretch, but high heat weakens them. Wash in cool water, reshape with your hands, and lay flat or hang from the center gore. The extra drying time preserves elasticity and color.

Equating thick pads with better coverage

Well-made double-layer knits hide texture on their own. Extra-thick pads often fold, bunch, or vanish in the laundry. If your teen prefers removable padding, choose thin, breathable inserts cut to match the cup shape.

Buying by age instead of measurements

Two classmates can differ by several inches around the chest. Use a soft tape under the bust and across the fullest part, then match those numbers to the brand’s chart. The tape—never the birth date—delivers a comfortable fit.

If you are interested in learning more, check out our guide on ‘Bras for Juniors’. 

Care Cheat-Sheet for Longer-Lasting Bras

A little routine care goes a long way toward keeping starter bras comfortable and supportive. Follow these quick tips and you’ll replace them because your teen grows—not because the elastic gave out early.

• Wash on cold, gentle cycle: Hot water weakens spandex and fades colour faster. A mild, enzyme-free detergent keeps fibers springy without stripping dye.

• Slip each bra into a mesh laundry bag: The bag stops straps from winding around zippers or jean legs and prevents hooks from snagging other garments in the same load.

• Skip the heat: Air-dry or tumble on low: High heat “cooks” elastic. If you use a dryer, choose the lowest setting and pull the bra out while it’s still slightly damp to finish drying flat.

• Rotate day to day: Elastic needs about 24 hours to rebound fully. Keeping at least three bras in the drawer—wear one, wash one, let one rest—extends their life.

• Know the life span: A starter bra worn once a week should last around six months before the band loosens or fabric pills. Growth spurts, daily wear, or high-impact sports can shorten that window; riding bands or stretched straps signal it’s time for a replacement.

Conclusion

A decade ago parents faced a frustrating choice: dress tweens in shrunken adult underwire bras or settle for flimsy cotton trainers that bunched under T-shirts. This class of new bra brands ends that compromise.

Remember the basics: fit beats fashion, fabrics matter more than prints, and growth never follows a neat calendar. Revisit sizing each season, treat bra shopping as another life-skills lesson, and let your tween’s feedback drive the final pick. Whether they choose Bleuet, Yellowberry, or Apricotton, the right bra fades into the background—leaving room for bigger adventures ahead.

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