Incontinence Underwear
With Knix Leakproof Underwear, light bladder leaks won’t stop you. Shop the most absorbent, machine-washable, comfortable, and reusable leakproof incontinence underwear. And enjoy worry-free protection from urine leaks.
Lightest Absorbency
Lightest periods, spotting, sweat & discharge - absorbs about 0.5-1 regular tampon worth.
Light Leakproof No-Show Thong
40% off
Color: Cherry, limited edition
Light Leakproof Gossamer Lace Thong
41% off
Color: Dark Cherry, limited edition
Light Leakproof No-Show Bikini
40% off
Color: Honey, limited edition
Light Leakproof Gossamer Lace French Cut
42% off
Color: Dark Cherry, limited edition
Light Leakproof No-Show Boyshort
15% off
Color: Midnight
Light Leakproof No-Show High Rise
42% off
Color: Glacier, limited edition
Leakproof Thigh Saver® 6”
41% off
Color: Leopard Print, limited edition
Light Leakproof Gossamer Lace Bikini
42% off
Color: Olive, limited edition
Light Absorbency
Light periods, backup protection & sweat - absorbs about 1-3 regular tampons’ worth.
Light Leakproof UltraThin Thong 3-Pack Gift Box
50% off
Color: Shine Bright/Cherry/Olive, limited edition
Light Leakproof No-Show French Cut
50% off
Color: Pink Lemonade, limited edition
Leakproof UltraThin No-Show French Cut
40% off
Color: Mushroom, limited edition
Leakproof Contour Thigh Saver® 6”
15% off
Color: Warm Sand
Medium Absorbency
Medium periods, light bladder leaks & sweat - absorbs about 2-3 super tampons’ worth.
Leakproof No-Show Thong
40% off
Color: Dark Cherry, limited edition
Leakproof UltraThin No-Show French Cut
40% off
Color: Black Shimmer, limited edition
Leakproof UltraThin High Rise 3-Pack Gift Box
50% off
Color: Shine Bright/Cherry/Olive, limited edition
Leakproof UltraThin No-Show Bikini
40% off
Color: Cherry, limited edition
Leakproof Cotton Bikini
15% off
Color: Pepper
Leakproof UltraThin Bikini 3-Pack Gift Box
50% off
Color: Shine Bright/Cherry/Olive, limited edition
Astrology Collection Leakproof UltraThin Bikini
40% off
Color: Capricorn, limited edition
Leakproof UltraThin No-Show High Rise
15% off
Color: Midnight
Leakproof Cotton High Rise
15% off
Color: Pepper
Leakproof Cotton Boybrief
15% off
Color: Rose Water
Luxe Modal Leakproof Sleep Boxer
42% off
Color: Dark Cherry, limited edition
Heavy Absorbency
Heavy periods, overnight protection & light bladder leaks - absorbs about 3-6 super tampons’ worth.
Super Leakproof® No-Show Boyshort
15% off
Color: Warm Sand
Super Leakproof® No-Show French Cut
40% off
Color: Mushroom, limited edition
Super Leakproof® No-Show High Rise
15% off
Color: Midnight
Ultra Absorbency
Extra heavy periods, overnight protection & light bladder leaks - absorbs about 7-9 super tampons’ worth.
Ultra Leakproof Zones+ High Rise
15% off
Color: Warm Sand
With Knix Leakproof Underwear, light bladder leaks won’t stop you. Shop the most absorbent, machine-washable, comfortable, and reusable leakproof incontinence underwear. And enjoy worry-free protection from urine leaks.
Your leakproof questions, answered.