Skip to content
Caret
Caret
Help
Returns & Exchanges
Shipping
Size Guides
Rewards
Virtual Fittings
Gift Card Balance
FAQs
Contact Us
Virtual Fittings
BOOK NOW
Arrow 2
Refer a Friend
Learn More
Arrow 2
About
Knix Fund
Learn More
Arrow 2
Careers at Knix
Learn More
Arrow 2
Story & Mission
Why Leakproof?
Virtual Fittings
Store Locations
Ambassador Program
Careers
Rewards
Refer a Friend
Gift Cards
Blog
Knix Logo
Search
What can we help you find?
Account
Bag
Menu
Home
/
Leakproof Underwear Promotion
Leakproof Underwear Promotion
Filter
Caret
Absorbency
Caret
Style
Caret
Type
Caret
What's It For
Caret
Fabric
Caret
Color
Caret
Sort By:
Caret
179 Items
Clear all
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Black
Warm Sand
Sola
Rose Water
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Black
Warm Sand
Sola
Rose Water
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show High Rise
$
34.00
USD
Save up to 20%
Black
Warm Sand
Dune
Sola
+7
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Boyshort
$
29.00
USD
Save up to 20%
Black
Warm Sand
Sable
Midnight
+4
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof No-Show Thong
$
27.00
USD
Save up to 20%
Black
Warm Sand
Dune
Cavassa
+12
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Bikini
$
29.00
USD
Save up to 20%
Black
Warm Sand
Dune
Sable
+6
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Warm Sand
Black
Sola
Rose Water
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Midnight
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Black Shimmer
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton Bikini
$
23.00
USD
Save up to 20%
Black
Rose Water
Midnight
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Light Leakproof No-Show Thong
$
20.00
USD
Save up to 20%
Black
Warm Sand
Dune
Cavassa
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Dark Blooms
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Mushroom
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Dark Blooms
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Warm Sand
Black
Sola
Rose Water
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Light Leakproof No-Show Bikini
$
22.00
USD
Save up to 20%
Black
Warm Sand
Dune
Cavassa
+20
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Dark Cherry
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton High Rise
$
27.00
USD
Save up to 20%
Black
Rose Water
Midnight
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Glacier
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Midnight
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Glacier
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Light Leakproof No-Show High Rise
$
26.00
USD
Save up to 20%
Black
Warm Sand
Dune
Cavassa
+16
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof Cotton Boybrief
$
35.00
USD
Save up to 20%
Black
Rose Water
Midnight
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Light Leakproof UltraThin No-Show Thong
$
23.00
USD
Save up to 20%
Black
Warm Sand
Sola
Rose Water
+8
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Boyshort
$
29.00
USD
Save up to 20%
Midnight
Black
Warm Sand
Sable
+4
Drop
Drop
Drop
Drop
Drop
Best Seller
Light Leakproof No-Show Boyshort
$
22.00
USD
Save up to 20%
Black
Warm Sand
Dune
Cavassa
+18
Drop
Drop
Drop
Drop
Drop
Light Leakproof UltraThin No-Show Thong
$
23.00
USD
Save up to 20%
Black Shimmer
Black
Warm Sand
Sola
+8
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton Bikini
$
23.00
USD
Save up to 20%
Rose Water
Black
Midnight
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Bikini
$
29.00
USD
Save up to 20%
Mushroom
Black
Warm Sand
Dune
+6
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Bikini
$
29.00
USD
Save up to 20%
Midnight
Black
Warm Sand
Dune
+6
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Rose Water
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton High Rise
$
27.00
USD
Save up to 20%
Rose Water
Black
Midnight
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Dark Cherry Shimmer
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show High Rise
$
34.00
USD
Save up to 20%
Midnight
Black
Warm Sand
Dune
+7
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton Bikini
$
23.00
USD
Save up to 20%
Midnight
Black
Rose Water
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton High Rise
$
27.00
USD
Save up to 20%
Mushroom
Black
Rose Water
Midnight
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Mushroom
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Light Leakproof UltraThin No-Show Thong
$
23.00
USD
Save up to 20%
Dark Blooms
Black
Warm Sand
Sola
+8
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show High Rise
$
34.00
USD
Save up to 20%
Mushroom
Black
Warm Sand
Dune
+7
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof Cotton Boybrief
$
35.00
USD
Save up to 20%
Pepper
Black
Rose Water
Midnight
+1
Drop
Drop
Drop
Drop
Drop
Leakproof UltraThin No-Show French Cut
$
27.00
USD
Save up to 20%
Black
Warm Sand
Sola
Rose Water
+12
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton High Rise
$
27.00
USD
Save up to 20%
Midnight
Black
Rose Water
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Boyshort
$
29.00
USD
Save up to 20%
Warm Sand
Black
Sable
Midnight
+4
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton Bikini
$
23.00
USD
Save up to 20%
Pepper
Black
Rose Water
Midnight
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show French Cut
$
32.00
USD
Save up to 20%
Black
Warm Sand
Dune
Cavassa
+12
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show Bikini
$
25.00
USD
Save up to 20%
Rose Water
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton Modal Bikini
$
29.00
USD
Save up to 20%
Black
Drop
Drop
Drop
Drop
Drop
Best Seller
Light Leakproof No-Show High Rise
$
26.00
USD
Save up to 20%
Warm Sand
Black
Dune
Cavassa
+16
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton High Rise
$
27.00
USD
Save up to 20%
Pepper
Black
Rose Water
Midnight
+1
Drop
Drop
Drop
Drop
Drop
Sold Out
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Pink Lemonade
Black
Warm Sand
Sola
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof UltraThin No-Show High Rise
$
29.00
USD
Save up to 20%
Sola
Black
Warm Sand
Rose Water
+10
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show French Cut
$
32.00
USD
Save up to 20%
Mushroom
Black
Warm Sand
Dune
+12
Drop
Drop
Drop
Drop
Drop
Leakproof Cotton Bikini
$
23.00
USD
Save up to 20%
Mushroom
Black
Rose Water
Midnight
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Light Leakproof No-Show Boyshort
$
22.00
USD
Save up to 20%
Dark Blooms
Black
Warm Sand
Dune
+18
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show French Cut
$
32.00
USD
Save up to 20%
Glacier
Black
Warm Sand
Dune
+12
Drop
Drop
Drop
Drop
Drop
Light Leakproof UltraThin No-Show Thong
$
23.00
USD
Save up to 20%
Dark Cherry Shimmer
Black
Warm Sand
Sola
+8
Drop
Drop
Drop
Drop
Drop
Leakproof UltraThin No-Show French Cut
$
27.00
USD
Save up to 20%
Dark Blooms
Black
Warm Sand
Sola
+12
Drop
Drop
Drop
Drop
Drop
Best Seller
Leakproof Cotton Boybrief
$
35.00
USD
Save up to 20%
Midnight
Black
Rose Water
Mushroom
+1
Drop
Drop
Drop
Drop
Drop
Best Seller
Super Leakproof® No-Show Bikini
$
29.00
USD
Save up to 20%
Warm Sand
Black
Dune
Sable
+6
Drop
Drop
Drop
Drop
Drop
Light Leakproof No-Show Thong
$
20.00
USD
Save up to 20%
Warm Sand
Black
Dune
Cavassa
+10
Drop
Drop
Drop
Drop
Drop
