Cotton Period Underwear
Looking for period underwear that’s as comfortable as it is reliable? Undercovers has you covered! Our Cotton period underwear combines style, protection, and all-day comfort—so you can say goodbye to leaks and discomfort for good. With a range of flattering fits and sizing from 6 to 24, finding your perfect pair has never been easier.
Cotton G-String Light Flow
Regular price $35.00
Worry-free period protection in a g-string? Check! This classic g-string with our 4-layer leakproof tech lets you move with total confidence.
It absorbs up to 1 tampon’s worth (5mls), making it perfect for light flow days, your pilates class or everyday protection. So comfy, you’ll forget you’re wearing it!
Models are wearing sizes 14 & 18
Fabrics:-
Outer - cotton/polyamide/elastan
Gusset - cotton/elastan
See our FAQ's page for complete fabric info.
To shop our entire range click here.
a
WAIST MEASUREMENT
Bend to one side to find the natural indentation in your torso. This is your natural waist. Place the tape around your natural waistline. Keep the tape parallel with the floor and place one finger between your body and the tape for a more comfortable fit.
HIP MEASUREMENT
Stand on a level surface with your feet together. Measure around the fullest part of your hips and bottom (approx 7-9 inches below your waistline). Keep the tape parallel with the floor.
- After use, rinse your Undercovers in cold water.
- Cold gentle machine wash in a delicates or wash bag. This will help prevent snags or rubbing. Handwashing is also suitable.
- Line dry in the shade.
- Do not dry clean, iron, or tumble dry your Undercovers.
- Do not use bleach or fabric softener.
- Heat and chemicals may adversely affect the underwear and ruin the magic!
Cotton Bikini Medium Flow
Regular price $38.00
Soft, breathable, and just like your favorite underwear, only better! The Cotton bikini has our 4-layer protection, absorbing up to 3 tampons’ worth (15mls) while keeping things fresh, dry, and leak-free.
Perfect for light to moderate flow, sweaty workouts, or those “did I just…?” moments.
Models are wearing sizes 8 & 14
Fabrics:-
Outer - cotton/polyamide/elastan
Gusset - cotton/elastan
See our FAQ's page for complete fabric info.
To shop our entire range click here.
a
WAIST MEASUREMENT
Bend to one side to find the natural indentation in your torso. This is your natural waist. Place the tape around your natural waistline. Keep the tape parallel with the floor and place one finger between your body and the tape for a more comfortable fit.
HIP MEASUREMENT
Stand on a level surface with your feet together. Measure around the fullest part of your hips and bottom (approx 7-9 inches below your waistline). Keep the tape parallel with the floor.
- After use, rinse your Undercovers in cold water.
- Cold gentle machine wash in a delicates or wash bag. This will help prevent snags or rubbing. Handwashing is also suitable.
- Line dry in the shade.
- Do not dry clean, iron, or tumble dry your Undercovers.
- Do not use bleach or fabric softener.
- Heat and chemicals may adversely affect the underwear and ruin the magic!
Cotton Bikini Heavy Flow
Regular price $42.00
Your go-to bikini cut, but built for serious protection. With a full gusset and 4-layer tech, it absorbs up to 4 tampons’ worth (20mls) and keeps you fresh and dry for up to 12 hours.
Work, gym, or white sheets—no stress, no leaks, just all-day confidence.
Models are wearing sizes 14 & 18
Fabrics:-
Outer - cotton/polyamide/elastan
Gusset - cotton/elastan
See our FAQ's page for complete fabric info.
To shop our entire range click here.
a
WAIST MEASUREMENT
Bend to one side to find the natural indentation in your torso. This is your natural waist. Place the tape around your natural waistline. Keep the tape parallel with the floor and place one finger between your body and the tape for a more comfortable fit.
HIP MEASUREMENT
Stand on a level surface with your feet together. Measure around the fullest part of your hips and bottom (approx 7-9 inches below your waistline). Keep the tape parallel with the floor.
- After use, rinse your Undercovers in cold water.
- Cold gentle machine wash in a delicates or wash bag. This will help prevent snags or rubbing. Handwashing is also suitable.
- Line dry in the shade.
- Do not dry clean, iron, or tumble dry your Undercovers.
- Do not use bleach or fabric softener.
- Heat and chemicals may adversely affect the underwear and ruin the magic!
Cotton Boyleg Medium Flow
Regular price $40.00
Comfort. Coverage. Leakproof. Tick, tick, tick. These boylegs hug you in all the right places while holding up to 3 tampons’ worth (15mls).
Soft, breathable, and bulk-free, they’ll keep you feeling fresh and secure.
Models are wearing sizes 8 & 14
Fabrics:-
Outer - cotton/polyamide/elastan
Gusset - cotton/elastan
See our FAQ's page for complete fabric info.
To shop our entire range click here.
a
WAIST MEASUREMENT
Bend to one side to find the natural indentation in your torso. This is your natural waist. Place the tape around your natural waistline. Keep the tape parallel with the floor and place one finger between your body and the tape for a more comfortable fit.
HIP MEASUREMENT
Stand on a level surface with your feet together. Measure around the fullest part of your hips and bottom (approx 7-9 inches below your waistline). Keep the tape parallel with the floor.
- After use, rinse your Undercovers in cold water.
- Cold gentle machine wash in a delicates or wash bag. This will help prevent snags or rubbing. Handwashing is also suitable.
- Line dry in the shade.
- Do not dry clean, iron, or tumble dry your Undercovers.
- Do not use bleach or fabric softener.
- Heat and chemicals may adversely affect the underwear and ruin the magic!
Cotton High Waist Medium Flow
Regular price $43.00
Like a comforting hug, these high waist underwear give you full coverage and total confidence.
Designed with our advanced 4-layer protection, they hold up to 3 tampons’ worth (15mls), so you can stay leak-free whatever your day looks like.
Models are wearing sizes 18 & 14
Fabrics:-
Outer - cotton/polyamide/elastan
Gusset - cotton/elastan
See our FAQ's page for complete fabric info.
To shop our entire range click here.
a
WAIST MEASUREMENT
Bend to one side to find the natural indentation in your torso. This is your natural waist. Place the tape around your natural waistline. Keep the tape parallel with the floor and place one finger between your body and the tape for a more comfortable fit.
HIP MEASUREMENT
Stand on a level surface with your feet together. Measure around the fullest part of your hips and bottom (approx 7-9 inches below your waistline). Keep the tape parallel with the floor.
- After use, rinse your Undercovers in cold water.
- Cold gentle machine wash in a delicates or wash bag. This will help prevent snags or rubbing. Handwashing is also suitable.
- Line dry in the shade.
- Do not dry clean, iron, or tumble dry your Undercovers.
- Do not use bleach or fabric softener.
- Heat and chemicals may adversely affect the underwear and ruin the magic!
Cotton High Waist Super Flow
Regular price $45.00
Serious protection meets ultimate comfort. The High Waist in Super holds up to 5 tampons’ worth (25mls) with a full gusset for maximum absorbency.
Soft, breathable, and designed for heavy flow days, postpartum, or overnight wear… because your period shouldn’t keep you up at night.
Models are wearing sizes 8 & 14
Fabrics:-
Outer - cotton/polyamide/elastan
Gusset - cotton/elastan
See our FAQ's page for complete fabric info.
To shop our entire range click here.
a
WAIST MEASUREMENT
Bend to one side to find the natural indentation in your torso. This is your natural waist. Place the tape around your natural waistline. Keep the tape parallel with the floor and place one finger between your body and the tape for a more comfortable fit.
HIP MEASUREMENT
Stand on a level surface with your feet together. Measure around the fullest part of your hips and bottom (approx 7-9 inches below your waistline). Keep the tape parallel with the floor.
- After use, rinse your Undercovers in cold water.
- Cold gentle machine wash in a delicates or wash bag. This will help prevent snags or rubbing. Handwashing is also suitable.
- Line dry in the shade.
- Do not dry clean, iron, or tumble dry your Undercovers.
- Do not use bleach or fabric softener.
- Heat and chemicals may adversely affect the underwear and ruin the magic!
