
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
Maximum comfort. Maximum confidence. Zero leaks.
Give your teen one less thing to worry about during their period. The Savvi Wear Teen Hipster Period Brief is designed with full-coverage leakproof protection that keeps them dry, secure, and feeling confident at school, during sports, and overnight. With a flattering hipster cut, ultra-soft stretch fabric, and our exclusive SavviWear™ gusset, this pair delivers the protection you can’t see - but they’ll definitely feel.
Why They’ll Love Them
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Worry-free wear all day or night with built-in absorbency for moderate to heavy flow (up to 30ml = 6 tampons)
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No shifting, no slipping, no stress - fits securely without the need for pads or liners
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Stay dry and fresh thanks to moisture-wicking bamboo viscose lining
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Soft, stretchy, and breathable mid-waist fit for ultimate comfort - even during gym class
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Reusable & eco-friendly - ditch the disposables and save money
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Designed for tweens and teens (ages 8 - 16), in cool, confidence-boosting colors
Why SavviWear™ Gusset Technology Makes the Difference
Every pair of Savvi Wear period underwear is powered by our SavviWear™ triple-layer gusset system, specially engineered for active teens who need real protection - without the bulk or discomfort.
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Absorbs up to 30ml (about 6 regular tampons) for heavy-flow peace of mind
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Extended gusset ensures full coverage while sitting, sleeping, or moving
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Sewn-down gusset construction stays smooth and flat - no rolling or bunching
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Bamboo charcoal lining keeps odors away and wicks away moisture for a dry, breathable feel
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Built‑in waterproof barrier keeps leaks locked in - so their day stays stress‑free
Whether they’re heading to school, the field, or bed, SavviWear™ helps them focus on life, not leaks.
Materials & Care
Materials
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Outer: 88% Polyamide, 12% Spandex
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Gusset Lining: 50% Bamboo Viscose, 50% Polyester
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Leakproof Layer: Polyester, Polyamide + Waterproof TPU
Care
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Rinse after use, machine wash cold (use a delicates bag), and hang dry. Avoid fabric softeners.
Designed For:
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Tweens & teens (ages 8 - 16+)
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Moderate to heavy flow days
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School, sports, and sleepovers
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Eco-conscious families looking for reusable period care
Available in Sizes 4XS–L
Colors: Black, Lavender, Pink Brush Strokes
Confidence that moves with her
The Savvi Wear Teen Hipster Brief combines full leakproof performance with a stylish, secure fit - powered by SavviWear™ technology... Because your teen deserves period care that keeps up with their life.
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.