50% Off Grace Wedge

Your Favorite Woven Wedge, Half Off! Limited time only!

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Free Gel Inserts With Any Aetrex Orthotics Purchase.

Bonus Comfort with Every Orthotics Purchase.

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For a limited time only, get U.S. Ground Shipping on all orders.

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50% Off Grace Wedge

Your Favorite Woven Wedge, Half Off! Limited time only!

SHOP NOW
Free Gel Inserts With Any Aetrex Orthotics Purchase.

Bonus Comfort with Every Orthotics Purchase.

SHOP NOW
FREE SHIPPING!

For a limited time only, get U.S. Ground Shipping on all orders.

SHOP NOW
50% Off Grace Wedge

Your Favorite Woven Wedge, Half Off! Limited time only!

SHOP NOW
Free Gel Inserts With Any Aetrex Orthotics Purchase.

Bonus Comfort with Every Orthotics Purchase.

SHOP NOW
FREE SHIPPING!

For a limited time only, get U.S. Ground Shipping on all orders.

SHOP NOW
Description

Elevate your style during your warm weather adventures with the Marni. These stunning slingback thong sandals feature arch support and stud embellishments that add a touch of glamour to your look. The memory foam footbed ensures cushioning with every step, while the hook and loop closures provide adjustability for a secure fit. Step confidently in the Marni and make a statement wherever you go. Each Aetrex shoe is anatomically designed based on data and learnings from over 50 million global foot scans. This ensures you’re getting the best fit for your feet and premium support for your body from the ground up.

SKU: SE470W39

Details
Comfort
  • Adjustability: Hook & loop closure
  • Removable Insole: No
Materials
  • Upper Material: Faux leather
  • Midsole Material: Memory foam
  • Footbed Lining Material: Soft microfiber treated with antimicrobial technology to help fight every day odors
  • Outsole Material: Rubber for durability
Measurements
  • Heel Height: 1.1”
Care Instructions
  • For light cleaning, wipe with a soft, slightly damp cloth.
  • For deeper cleaning, mix three parts water and one-part mild dish soap.
  • Use a clean cloth to gently rub any stains in a circular motion.
  • For stubborn spots or discoloration, apply Leather Shoe Lotion Cleaner
Size Chart

Make sure you are standing, wearing the socks or stockings you will wear with your new shoes. Using one of the following charts, convert your U.S. shoe size to EU.

IN BETWEEN SIZES? Aetrex recommends you size up for footwear and Orthotics

HEEL-TOE MEASUREMENT
WOMEN'S - US
WOMEN'S - EU
MEN'S - US
MEN'S - EU
KIDS - US
7.2" - 7.5" 7.9" 8.2" 8.5" 8.7" 8.8" 8.9" 9.0" 9.2" 9.3" 9.5" 9.7" 9.8" 10.0" 10.2" 10.4" 10.5" 10.7" 10.8" 11.0" 11.2" 11.3" 11.5" 11.7" 11.9" 12.0"
-- -- -- -- 5 5.5 -- 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 -- -- -- -- -- --
-- -- -- -- 35 35 -- 36 36 37 38 38 39 40 40 41 42 42 43 43 -- -- -- -- -- --
-- -- -- -- -- -- -- -- -- -- -- 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14
-- -- -- -- -- -- -- -- -- -- -- 39 40 41 42 42 43 43 44 45 45 46 47 47 48 48
C12/13 Y1 Y2 Y3 -- -- Y4 -- Y5 -- Y6 -- Y7 -- -- -- -- -- -- -- -- -- -- -- -- --
← Scroll horizontally to see all sizes →
No-Hassle Returns

When you choose Aetrex, you make the healthy choice. Wear the shoes or Aetrex Orthotics and if you are not completely satisfied, return them to us. If you need detailed step-by-step instructions, please visit our FAQ page for further guidance.

The refund will be processed to the original form of payment and should be reflected in your account within 5 to 7 days from the day of the drop-off.

A return fee of $5.95 will be automatically deducted when processing your return.

Shipping charges from the original order are non-refundable.

Helps With

  • arch pain icon

    Arch Pain

  • ball of foot pain icon

    Ball of Foot Pain

  • bunions icon

    Bunions

  • flat feet icon

    Flat Feet

  • hammer toes icon

    Hammer Toes

  • heel pain icon

    Heel Pain

  • high instep icon

    High Instep

  • metatarsalgia icon

    Metatarsalgia

  • narrow feet icon

    Narrow Feet

  • plantar fasciitis icon

    Plantar Fasciitis

  • wide feet icon

    Wide Feet

Footwear Features

adjustability

Adjustability for Everyone

Easy to use, our hook and loop adjustable straps help accommodate multiple widths by being able to shorten or elongate the strap.

Quarter Straps

Ankle Stability

A strap that wraps around the lower ankle providing extra support and full adjustability.

antimicrobial

Antimicrobial Technology

The materials have been treated with antimicrobial technology to help fight every day odors.

arch support

Arch Support

Designed to help support natural alignment, our unique arch support position, height and contour aligns in the proper place to help support our bodies from the ground up and helps to relieve plantar fasciitis and common heel/arch pain.

memory foam

Memory Foam

A material meant to cushion and conform to your foot, helping to evenly distribute weight and providing ultimate comfort.

open toes

Open Toe

This type of shoe provides ample room for your feet and is beneficial for conditions such as Hammer Toes.

Load video: the_aetrex_advantage_-_arch_support (2160p).mp4

Why Customers Love Marni Slingback Thong Sandal - Black

Overall rating: 4.5689654 / 5 from 58 reviews.

AI Generated Review Summary

The Marni Slingback Thong Sandal offers stylish arch support and stud embellishments, with a memory foam footbed for comfort and adjustability through hook and loop closures. Customers appreciate the sandals' cuteness, comfort, and support, though some feedback on the adjustable velcro back strap is mixed.

Summary topics

  • Adjustable Straps: 18%
  • Sandal Comfort and Support: 45%

Review topics: [fit, straps, color, look, design, comfort, feet, support, sandals, shoes, sandle, arch, footbed, heel, pain].

Review highlights

  • "Beautiful and comfortable sandal"Debbie D.
  • "I love, Love, LOVE the velcro back strap for adjustable comfort, not to mention how cute they are."Cheryl
  • "The adjustable velcro strap is essential for me as they don't slip while dancing and are easy to put on."Paulette S.

Reviews

I love these so much,

"I love these so much, I actually already owned these in another color and got these for all my neutral summer clothes. Perfectly comfortable and attractive, good arch support."

Naomi P. (5/5)

Cute but t strap hurts

"I got these on a good sale and using rewards. They look very cute and the cushioned footbed is soooo comfortable. However, the t strap rubs my foot and created a rubbed open area. I do not wish to pay a restocking fee for return and I am hopeful that my feet will get callouses in the area that rubs so that they will not keep causing sore areas. The design is very cute and dresses up and down easily. Very versatile shoe. Straps are very sturdy and shoe is good quality."

Renee D. (3/5)

Super comfortable and beyond cute

"Super comfortable and beyond cute"

Lynda B. (4/5)

Cute but rubs very narrow

"Cute but rubs very narrow"

Valerie P. (5/5)

Cute and ultra comfy! Best

"Cute and ultra comfy! Best sandals ever!"

Jayne J. (5/5)

The sandles are awesome and

"The sandles are awesome and fit perfect"

sue C. (5/5)

I love them. I wore

"I love them. I wore them today and they were very comfortable and beautiful."

Debra F. (5/5)

These sandals are very comfortable.

"These sandals are very comfortable. I have a fallen arch from a tendon injury and the arch support is great."

Dana L. (5/5)

Wish they came in navy

"Wish they came in navy"

Kimmie H. (5/5)

Feels smaller than previous pair

"Feels smaller than previous pair"

Tina D. (4/5)

Q&A

Can these be worn in and out of the water at the beach for cruise excursions?
Hi Nat, The Marni Sandal is comfortable and supportive, but it isn’t designed to be water-friendly. You can wear it at the beach, but repeated exposure to water, especially salt water, may damage the faux leather material. If you need something to wear in and out of the water, we recommend choosing a style made with water-friendly materials like the Emmy Braided Sandals.