FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE
FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE

FitSlip Undie | Leak-proof slimming underwear | Buy 2 Get 3 FREE

Save $95.00
$39.95 Regular price $134.95 Sale price
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Color (5 Pieces)
Size
Almost sold out, only a few left in stock
Bullet Point with Image and Text
Free UPS shipping Across the Continental U.S.
30-day money-back guarantee
More than 150,000 satisfied customers

Feel confident and slim in every outfit!

Are you tired of  struggling with stubborn belly fat? FitSlip offers a slimming effect that enhances your curves and gives you a firmer, more confident appearance.

Leak-proof cotton briefs

These briefs, made from high-quality cotton, ensure a perfect fit that accentuates your figure. Say goodbye to discomfort and look forward to a day of comfort and  leak-proofness with our FitSlip .

✅  Visibly reduces belly fat: Our FitSlip helps conceal your belly fat and create a slimmer silhouette.

✅  Pure cotton fabric: FitSlip is made from luxuriously soft cotton, which offers an incomparable wearing comfort.

✅  Lasting Freshness:  The specially designed leak-proof liner keeps moisture and stains away, keeping you dry and fresh all day long.

Size chart:

Size Weight
XS 45 - 55
S 53 - 65
M 64 - 75
L 73 - 84
XL 82 - 93
2XL 92 - 110

MAXIMUM FLEXIBILITY

Comfortable fit and made from high-quality fabrics with sustainability in mind.

WRINKLE-FREE

No more ironing: machine wash, hang up and done.

BREATHABLE AND QUICK-DRYING FABRIC

Fresh and comfortable all day long.

NO SMELL

Neutralizes the bacteria that cause body odor when you sweat.

★★★★★

I got a strappy summer dress for a wedding and it’s perfect! Lightweight, elegant, and arrived in just 3 days.

Elise R.
Newport Beach
★★★★★

Ordered a cute off-the-shoulder top and it’s even better in person. Colors are vibrant and the fit is spot on.

Jenna S.
Clearwater
★★★★★

The flowy skirt I bought is my new favorite piece. So comfy for hot days and looks great with anything.

Mia T.
Hilton Head
★★★★★

I made a mistake with my shipping info and they reached out before sending it—really appreciated the extra care.

Kelsey B.
Malibu
★★★★★

Ordering was easy and delivery was quick. The size chart was spot on, very happy with my purchase!

Levi D.
Austin

7 days a week customer service

info@fosterandlane.com

Free fast shipping

Free UPS ground shipping to the contiguous 48 states