
Size Guide
Here’s a size guide to inform your shopping decision(s)
Mid Waist Bikini
Waist: Measures below the waist, where the top of the bikini sits.
Hips: Measures the widest part of your hips
| SIZE | US | UK | EU | HIPS | HIPS | WAIST | WAIST |
|---|---|---|---|---|---|---|---|
| CM | INCH | CM | INCH | ||||
| 4XS | 000-00 | 0-2 | 28 | 78.5-81 | 31-32 | 58.4 | 23 |
| 3XS | 00-0 | 2-4 | 30 | 83.5-86 | 33-34 | 61 | 24 |
| 2XS | 0-2 | 4-8 | 32 | 88.5-91 | 35-36 | 66 | 26 |
| XS | 2-4 | 6-8 | 34 | 93.5-96 | 36.5-38 | 71 | 28 |
| S | 4-6 | 8-10 | 36 | 98.5-101 | 38.5-39.5 | 75 | 29.5 |
| M | 6-8 | 10-12 | 38 | 103.5-106 | 40.5-41.5 | 80 | 31.5 |
| L | 8-10 | 12-14 | 40 | 108.5-111 | 42.5-43.5 | 84 | 33.1 |
| XL | 10-12 | 14-16 | 42 | 113.5-116 | 44.5-45.5 | 89 | 35 |
| 2XL | 12-14 | 16-18 | 44 | 118-123 | 46.5-48.5 | 93 | 36.6 |
| 3XL | 14-16 | 18-20 | 46 | 125-128 | 49.5-50.5 | 98 | 38.9 |
Note: Please allow for a tolerance of +/- 1 inch
If the bikini is not suitable, please contact us directly. We will aim to get back to you within 24 hours.
High Waist Bikini
Waist: Measures below the waist, where the top of the bikini sits.
Hips: Measures the widest part of your hips
| SIZE | US | UK | EU | HIPS | HIPS | WAIST | WAIST |
|---|---|---|---|---|---|---|---|
| CM | INCH | CM | INCH | ||||
| 3XS | 0 | 4 | 32 | 78.5-81 | 31-32 | 55 | 21.6 |
| 2XS | 2 | 6 | 34 | 83.5-86 | 33-34 | 58.8 | 23 |
| XS | 4 | 8 | 36 | 88.5-91 | 35-36 | 61 | 24 |
| S | 6 | 10 | 38 | 93.5-96 | 36.5-38 | 66 | 26 |
| M | 8 | 12 | 40 | 98.5-101 | 38.5-39.5 | 71 | 28 |
| L | 10 | 14 | 42 | 103.5-106 | 40.5-41.5 | 75 | 29.5 |
| XL | 12 | 16 | 44 | 108.5-111 | 42.5-43.5 | 80 | 31.5 |
| 2XL | 14 | 18 | 46 | 113.5-116 | 44.5-45.5 | 84 | 33.1 |
| 3XL | 16 | 20 | 48 | 118-123 | 46.5-48.5 | 89 | 35 |
Note: Please allow for a tolerance of +/- 1 inch
If the bikini is not suitable, please contact us directly. We will aim to get back to you within 24 hours.
Mid Waist Bikini
Waist: Measures below the waist, where the top of the bikini sits.
Hips: Measures the widest part of your hips
| SIZE | US | UK | EU | HIPS | HIPS | WAIST | WAIST |
|---|---|---|---|---|---|---|---|
| CM | INCH | CM | INCH | ||||
| 4XS | 000-00 | 0-2 | 28 | 78.5-81 | 31-32 | 58.4 | 23 |
| 3XS | 00-0 | 2-4 | 30 | 83.5-86 | 33-34 | 61 | 24 |
| 2XS | 0-2 | 4-8 | 32 | 88.5-91 | 35-36 | 66 | 26 |
| XS | 2-4 | 6-8 | 34 | 93.5-96 | 36.5-38 | 71 | 28 |
| S | 4-6 | 8-10 | 36 | 98.5-101 | 38.5-39.5 | 75 | 29.5 |
| M | 6-8 | 10-12 | 38 | 103.5-106 | 40.5-41.5 | 80 | 31.5 |
| L | 8-10 | 12-14 | 40 | 108.5-111 | 42.5-43.5 | 84 | 33.1 |
| XL | 10-12 | 14-16 | 42 | 113.5-116 | 44.5-45.5 | 89 | 35 |
| 2XL | 12-14 | 16-18 | 44 | 118-123 | 46.5-48.5 | 93 | 36.6 |
| 3XL | 14-16 | 18-20 | 46 | 125-128 | 49.5-50.5 | 98 | 38.9 |
Note: Please allow for a tolerance of +/- 1 inch
If the bikini is not suitable, please contact us directly. We will aim to get back to you within 24 hours.
Mid Waist Bikini
Waist: Measures below the waist, where the top of the bikini sits.
Hips: Measures the widest part of your hips
| SIZE | US | UK | EU | HIPS | HIPS | WAIST | WAIST |
|---|---|---|---|---|---|---|---|
| CM | INCH | CM | INCH | ||||
| 4XS | 000-00 | 0-2 | 28 | 78.5-81 | 31-32 | 58.4 | 23 |
| 3XS | 00-0 | 2-4 | 30 | 83.5-86 | 33-34 | 61 | 24 |
| 2XS | 0-2 | 4-8 | 32 | 88.5-91 | 35-36 | 66 | 26 |
| XS | 2-4 | 6-8 | 34 | 93.5-96 | 36.5-38 | 71 | 28 |
| S | 4-6 | 8-10 | 36 | 98.5-101 | 38.5-39.5 | 75 | 29.5 |
| M | 6-8 | 10-12 | 38 | 103.5-106 | 40.5-41.5 | 80 | 31.5 |
| L | 8-10 | 12-14 | 40 | 108.5-111 | 42.5-43.5 | 84 | 33.1 |
| XL | 10-12 | 14-16 | 42 | 113.5-116 | 44.5-45.5 | 89 | 35 |
| 2XL | 12-14 | 16-18 | 44 | 118-123 | 46.5-48.5 | 93 | 36.6 |
| 3XL | 14-16 | 18-20 | 46 | 125-128 | 49.5-50.5 | 98 | 38.9 |
Note: Please allow for a tolerance of +/- 1 inch
If the bikini is not suitable, please contact us directly. We will aim to get back to you within 24 hours.
- Details
- How it fits / Size guide
- Delivery
- Returns
Sleep soundly. Move freely — leakproof protection from front to back.
Our Savvi Wear Teen Period Boyshorts are built to handle it all—school days, sports, sleepovers, and heavy-flow nights. Designed for tweens and teens who want full coverage, super absorbency, and cloud-soft comfort, these leakproof underwear offer up to 40ml of protection and a secure, body-hugging fit.
Why You’ll Love Them
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Worry-free sleep & school days with ultra-absorbent protection that holds up to 8 tampons' (40ml) worth of flow
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All-day comfort from soft, stretchy fabric that moves with you—no riding up, no discomfort
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Full front to back coverage for maximum protection without sacrificing style or confidence
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Eco-friendly & reusable—ditch disposables and save money while reducing waste
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Perfect for tweens & teens navigating their period with comfort, confidence, and ease
The SavviWear™ Gusset Advantage
What makes these boyshorts truly unique? Our SavviWear™ extended gusset system, designed for total overnight protection:
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Full-length gusset stretches from the front waistband to the back waistband for 360° coverage
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Triple-layer design locks in up to 40ml of fluid for heavy-flow or overnight use
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Sewn-down construction prevents bunching or rolling, staying smooth and discreet under clothes
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Bamboo charcoal lining naturally wicks moisture and neutralizes odor—keeping you dry and fresh
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Leakproof TPU barrier keeps liquid in, even when lying down or during active movement
SavviWear™ is your nighttime (and anytime) confidence booster—keeping you protected and worry-free.
Materials & Care
Materials
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Outer: 88% Polyamide, 12% Spandex
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Lining: 50% Bamboo Viscose, 45% Cotton, 5% Spandex
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Gusset: Bamboo, Cotton, Polyester + Waterproof TPU
Care
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Rinse after use, machine wash cold in a delicates bag, hang dry. No fabric softeners.
Designed for Growing Girls
Perfect for:
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Tweens & teens aged 9–16
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Heavy flow days or overnight protection
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Sports, school, sleepovers, and everyday wear
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Those seeking an eco-conscious period care option
Available in sizes 4XS–L
Colors: Black, Lavender, Pink Strokes
Comfort Meets Confidence
With their sleek design, soft waistband, and SavviWear™ gusset built in, the Savvi Wear Teen Boyshorts are a must-have for every cycle. No leaks. No stress. Just real comfort—day and night.
Please click here to discover your perfect fit.
We aim to send all orders out by the next working day.
USA: 5-7 working days
Canada & Mexico: 5-10 working days
Europe: 5-10 working days
Rest of the World: 5-15 working days
Please visit our shipping page here to find out more.
Enjoy complimentary shipping on orders over $50.
If you need to make a change within 30 days of receiving your order, we offer exchanges for a different size or style, or you can opt for store credit. Please note, we do not offer refunds on underwear purchases.