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· 108 mLData quality grade B, converted from tampon counts
Sizes 9-10–15-16
$19
Thinx
Active Mesh Bikini
All Day· 108 mLData quality grade B, converted from tampon counts
Sizes 9-10–15-16
$19
Thinx
Everyday Comfort Bikini
All Day· 108 mLData quality grade B, converted from tampon counts
Sizes XS–4X
$20
Thinx
3-Pair All-Day Bikini Kit
All Day· 108 mLData quality grade B, converted from tampon counts
Sizes 9-10–15-16
$57
40% offKnix
Ultra Leakproof Zones+® Bikini - Last Call
Ultra· 63–99 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$21.60$36
Knix
Teen SuperPlus Leakproof® No-Show Bikini
Ultra· 63–99 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$32
Knix
SuperPlus Leakproof® No-Show Bikini
Ultra· 63–99 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$36
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
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
Knix
Teen Super Leakproof® No-Show Bikini
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$27
Knix
Super Leakproof Cotton Bikini
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$29
Knix
Super Leakproof No-Show Bikini
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$29
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
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
30% offKnix
Super Leakproof® No-Show Bikini 3-Pack - Last Call
Heavy· 36–63 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXL
$52.50$75
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
30% offModibodi
Classic Bikini 5 Pack
Super· 50 mLData quality grade A, brand publishes mL
$175$249.95
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
The Period Company
The Teen Period. Bikini For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes S–L
$10.50
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
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
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
The Period Company
The Teen Period. Bikini in FlowStretch™ For Heavy Flows
Heavy· 45 mLData quality grade B, converted from tampon counts
Sizes L
$36
48% offKnix
Leakproof Cotton Modal Bikini - Last Call
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$15$29
36% offKnix
Leakproof Cotton Bikini - Last Call
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$16$25
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
Knix
Teen Leakproof Cotton Bikini
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$22
Knix
Teen Leakproof UltraThin No-Show Bikini
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$24
Knix
Leakproof UltraThin No-Show Bikini
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXXXL
$27
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
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
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
13% offKnix
Teen Leakproof UltraThin Bikini Holiday 3-Pack
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$65$75
10% offKnix
Teen Leakproof UltraThin No-Show Bikini 3-Pack
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XXS–XXL
$65$72
Knix
Leakproof UltraThin No-Show Bikini 3-Pack
Moderate· 18–36 mLData quality grade C, conflicting / unconfirmed claim
Sizes XS–XXL
$68
30% offModibodi
Teen Hipster Bikini 5 Pack
Moderate· 30 mLData quality grade A, brand publishes mL
$140$199.95
20% offModibodi
Classic Bikini 5 Pack Cashew
Moderate· 30 mLData quality grade A, brand publishes mL
$180$224.95
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
WUKA
WUKA Ultimate™ Bikini - Heavy
Heavy· 20 mLData quality grade A, brand publishes mL
Sizes 2XS–XL
$26
Saalt
Leakproof Cotton Bikini
Heavy· 20 mLData quality grade B, converted from tampon counts
Sizes XXS–4XL
$29
10% offModibodi
Light & Lacey Sensual Bikini 2 Pack
Light· 20 mLData quality grade A, brand publishes mL
$81$89.98
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
40% offKnix
Light Leakproof Lace Bikini - Last Call
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$15$25
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
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
44% offSaalt
Leakproof Comfort Bikini
Regular· 15 mLData quality grade B, converted from tampon counts
Sizes XXS–4XL
$20$36
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
Knix
Teen Light Leakproof No-Show Bikini
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XXS–XXL
$22
Knix
Teen Light Leakproof Cotton Bikini Underwear
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XXS–XXL
$24
Knix
Light Leakproof No-Show Bikini
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXXXL
$25
Saalt
Leakproof Seamless Bikini
Regular· 15 mLData quality grade B, converted from tampon counts
Sizes XXS–4XL
$36
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
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
20% offKnix
Light Leakproof No-Show Bikini 3-Pack
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XS–XXL
$60$75
9% offKnix
Teen Light Leakproof No-Show Bikini 3-Pack
Light· 5–15 mLData quality grade B, converted from tampon counts
Sizes XXS–XXL
$60$66
22% offRuby Love
Teen Period Underwear - Bikini | Black
Sizes XXS–LG
$17.99$22.99
22% offRuby Love
Teen Period Underwear - Bikini | Cream
Sizes XXS–LG
$17.99$22.99
24% offRuby Love
Women's Period Underwear - Bikini | Rose Quartz
Sizes SM–3XL
$18.99$24.99
24% off
24% offRuby Love
Women's Period Underwear - Bikini | Jade
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Teal
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Hot Pink
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Navy
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Sapphire
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Latte
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Classic Ruby
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Cream
Sizes SM–3XL
$18.99$24.99
24% offRuby Love
Women's Period Underwear - Bikini | Black
Sizes SM–8XL
$18.99$24.99
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31% offOther 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.