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Kristen's Fave
Leakproof UltraThin No-Show Boybrief
$34.00
CAD
Mix & Match: 3+ for $25 each
Absorbs about 2.5 super tampons
Invisible under clothes
Moderate protection without the bulk
Machine washable
Size and Fit Guide
How to Measure
In order to select the correct sizing, we recommend you take the following measurements using a soft tape measure. If necessary, ask someone else to help.
Waist
Measure around the narrowest part of your torso, usually just above your belly button. Keep the tape snug and level, but not tight. The number where it meets is your waist measurement.
Hip
Stand with your feet together and measure around the fullest part of your hips and buttocks. Keep the tape level and snug, but not tight. The number where it meets is your hip measurement.
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Comfort-First Fit
Worry-Free Protection
Our newest leakproof innovation provides more absorbency without the bulk. Patented 360 LeakSeal™ technology locks in leaks at every edge.
Moderate Absorbency
Absorbs 2.5 super tampons worth of liquid—perfect for moderate flow days, light bladder leaks, and sweat. The carbon cotton gusset top layer keeps you dry.
No-Show Style
Buttery-soft and smooth fabric gives a seamless look and feel. Disappears under clothes, even leggings.
Easy to Wash
Machine washable just like regular underwear.
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How to Choose?
Essential
- • Everyday Wear
- • No leakproof protection
-
0 tsp
Heavy
- • heavy period days
- • overnight protection
- • light bladder leaks
-
6-11 tsp
-
about 1.5-3 regular pads
-
about 3-6 super tampons
-
about 1-2 menstrual cups
Light
- • light period days
- • sweat
- • sweat and discharge
-
about 1-3 tsp
-
about 1-3 pantyliners
-
about 1-3 regular tampons
-
about 0.5 menstrual cups
Moderate
- • moderate period days
- • light bladder leaks
- • sweat
-
about 3-6 tsp
-
about 1-1.5 regular pads
-
about 2-3 super tampons
-
about 0.5-1 menstrual cups
Ultra
- • extra heavy period days
- • overnight protection
- • light bladder leaks
-
13-17 tsp
-
3.5-4.5 regular pads
-
7-9 super tampons
-
2-3 menstrual cups
FRESH FIX TECHNOLOGY®
Built-in protection that feels like nothing at all.
Our patented 360 LeakSeal™ technology locks in leaks at every edge. The ultra-thin liner absorbs about 2.5 super tampons worth of liquid.
Soft Top Layer
Middle Layer
