Bikini period underwear
The classic mid-rise cut, and the most common style in the category. Bikini period underwear sits below the belly button with moderate coverage - the everyday default most brands build their widest absorbency range on.
Everyday wear across the cycle. Because nearly every brand offers a bikini in several tiers, it is the easiest cut to match to your exact flow - filter by what each pair actually holds below.
Every bikini in stock, highest capacity first
Thinx
All-Day Bikini
All Day· 100 mLData quality grade A, brand publishes mL
Sizes 9-10–15-16
$19
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Thinx
Active Mesh Bikini
All Day· 100 mLData quality grade A, brand publishes mL
Sizes 9-10–15-16
$19
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Thinx
Everyday Comfort Bikini
All Day· 100 mLData quality grade A, brand publishes mL
Sizes XS–4X
$20
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Thinx
3-Pair All-Day Bikini Kit
All Day· 100 mLData quality grade A, brand publishes mL
Sizes 9-10–15-16
$57
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40% offKnix
Ultra Leakproof Zones+® Bikini - Last Call
Ultra· 63–99 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$21.60$36
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Knix
Teen SuperPlus Leakproof® No-Show Bikini
Ultra· 63–99 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$32
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30% offKnix
Teen Super Leakproof® No-Show Bikini - Last Call
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$18.90$27
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30% offKnix
Super Leakproof® No-Show Bikini - Original - Last Call
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$20.30$29
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Knix
Teen Super Leakproof® No-Show Bikini
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$27
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Knix
Super Leakproof Cotton Bikini
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$29
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30% offKnix
Super Leakproof® No-Show Bikini 3-Pack - Original - Last Call
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$52.50$75
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35% offKnix
Teen Super Leakproof® No-Show Bikini 3-Pack - Last Call
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$52.50$81
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7% offKnix
Teen Super Leakproof® No-Show Bikini 3-Pack
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$75$81
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22% offKnix
Super Leakproof® No-Show Bikini 3-Pack
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXL
$75$96
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30% offModibodi
Classic Bikini 5 Pack
Super· 50 mLData quality grade A, brand publishes mL
$175$249.95
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The Period Company
The Teen Period. Bikini in SportyStretch™ For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes S–L
$10.50
View detailsThe Period Company
The Teen Period. Bikini For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes S–L
$10.50
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The Period Company
The Bikini Period. in SportyStretch™ For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes XS–4X
$10.50
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The Period Company
The Teen Period. Bikini in FlowStretch™ For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes L
$12
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The Period Company
The Bikini Period. in FlowStretch™ For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes L–S
$12
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The Period Company
The Bikini Period. in Organic Cotton For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes XS–6X
$14
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30% offKnix
Leakproof UltraThin No-Show Bikini - Last Call
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$18.90$27
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39% offKnix
Teen Leakproof UltraThin Bikini Holiday 3-Pack - Last Call
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$45.50$75
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37% offKnix
Teen Leakproof UltraThin No-Show Bikini 3-Pack - Last Call
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$45.50$72
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30% offKnix
Leakproof UltraThin No-Show Bikini 3-Pack - Last Call
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXL
$47.60$68
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20% offModibodi
Classic Bikini Moderate Cashew
Moderate· 30 mLData quality grade A, brand publishes mL
Sizes US 4/XS–US 2/2XS
$35.99$44.99
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11% offModibodi
ModiComfort Seamless Teen Hipster Bikini Moderate Black 2 Pack
Moderate· 30 mLData quality grade A, brand publishes mL
$62$69.98
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10% offModibodi
ModiComfort Seamless Teen Hipster Bikini Moderate Enchanted Green 2 Pack
Moderate· 30 mLData quality grade A, brand publishes mL
$63$69.98
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14% offModibodi
ModiComfort Seamless Teen Hipster Bikini Moderate Black 3 Pack
Moderate· 30 mLData quality grade A, brand publishes mL
$90$104.97
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14% offModibodi
ModiComfort Seamless Teen Hipster Bikini Moderate Enchanted Green 3 Pack
Moderate· 30 mLData quality grade A, brand publishes mL
$90$104.97
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30% offModibodi
Teen Hipster Bikini 5 Pack
Moderate· 30 mLData quality grade A, brand publishes mL
$140$199.95
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20% offModibodi
Classic Bikini 5 Pack Cashew
Moderate· 30 mLData quality grade A, brand publishes mL
$180$224.95
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The Period Company
The Bikini Period. in Microfiber For Medium Flows
Medium· 20 mLData quality grade B, converted from tampon counts
Sizes XS–6X
$12
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WUKA
WUKA Ultimate™ Bikini - Heavy
Heavy· 20 mLData quality grade A, brand publishes mL
Sizes 2XS–XL
$26
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Saalt
Leakproof Cotton Bikini
Heavy· 20 mLData quality grade B, converted from tampon counts
Sizes XXS–4XL
$29
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20% offModibodi
Sensual Hi Waist Bikini Light Cashew
Light· 20 mLData quality grade A, brand publishes mL
Sizes US 10/L–US 22/6XL
$39.99$49.99
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10% offModibodi
Light & Lacey Sensual Bikini 2 Pack
Light· 20 mLData quality grade A, brand publishes mL
$81$89.98
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40% offKnix
Light Leakproof Luxe Modal Bikini - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$15$25
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40% offKnix
Light Leakproof No-Show Mesh Bikini - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$15$25
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40% offKnix
Light Leakproof Lace Bikini - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$15$25
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30% offKnix
Teen Light Leakproof No-Show Bikini - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XXS–XXL
$15.40$22
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30% offKnix
Light Leakproof No-Show Bikini - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$17.50$25
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WUKA
WUKA Ultimate™ Bikini - Medium
Medium· 15 mLData quality grade A, brand publishes mL
Sizes XXS–L
$20
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44% offSaalt
Leakproof Comfort Bikini
Regular· 15 mLData quality grade B, converted from tampon counts
Sizes XXS–4XL
$20$36
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42% offKnix
Teen Light Leakproof No-Show Bikini 2-Pack - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XXS–XXL
$22$38
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Knix
Light Leakproof No-Show Bikini
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$25
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Saalt
Leakproof Seamless Bikini
Regular· 15 mLData quality grade B, converted from tampon counts
Sizes XXS–4XL
$36
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30% offKnix
Light Leakproof No-Show Bikini 3-Pack - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXL
$42$60
View details
36% offKnix
Teen Light Leakproof No-Show Bikini 3-Pack - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XXS–XXL
$42$66
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17% offRuby Love
Teen Period Underwear - Bikini | Cream
Sizes XXS–LG
$18.99$22.99
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17% offRuby Love
Teen Period Underwear - Bikini | Black
Sizes XXS–LG
$18.99$22.99
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20% offRuby Love
Women's Period Underwear - Bikini | Classic Ruby
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Navy
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Rose Quartz
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Cream
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Hot Pink
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Teal
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Jade
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Period Underwear - Bikini | Floral
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Latte
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Sapphire
Sizes SM–3XL
$19.99$24.99
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20% offRuby Love
Women's Period Underwear - Bikini | Black
Sizes SM–8XL
$19.99$24.99
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13% offKnix
Teen Period Emergency Kit - Bikini
$40$46
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16% offKnix
Teen Leakproof Starter Kit - Bikini
$95$113
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31% offModibodi
Classic Bikini Multi-Absorbency 5 Pack
$165$239.95
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18% offKnix
Teen Complete Cycle Kit - Bikini
$179$219
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31% offModibodi
Sensual Hi Waist Bikini Multi-Absorbency 5 Pack
$200$289.95
View detailsOther cuts
Cut sorted - now match the capacity
You know you want a bikini. Tell the translator your flow and it picks the covering tier, so you can match cut and capacity at once.