ULTRA BOOST

Before and after Ultra Boost Inserts in action.

See the Difference

Seamless Silhouette

Tapered edges blend smoothly under any garment.

visibility

Stay in Place

Durable adhesive keeps you supported during vigorous movement.

fitness_center

Ready for Anything

Water-resistant and sweatproof for workouts and swim sessions.

water_drop

Reusable & Easy

Washable adhesive allows multiple uses with lasting stickiness.

autorenew

Before

After

Seamless Silhouette

Tapered edges blend smoothly under any garment.

visibility

Stay in Place

Durable adhesive keeps you supported during vigorous movement.

fitness_center

Ready for Anything

Water-resistant and sweatproof for workouts and swim sessions.

water_drop

Reusable & Easy

Washable adhesive allows multiple uses with lasting stickiness.

autorenew

1 15

5/5 stars based on 1000+ reviews

Sparkly Women’s Crystal Flat Sandals – Boho Summer Beach Sandals, Rhinestone T-Strap Dress Shoes for Women

NEW: 🏆 2026 RATED BEST IN ITS CLASS

$79.99

~~$99.99~~ $79.99

SALE Sold out

Shipping calculated at checkout.

Step into effortless elegance with these Sparkly Crystal Flat Sandals. Where boho charm meets modern sophistication. Designed with shimmering rhinestones and floral accents, they catch the light with every step, making them perfect for beach days, summer events, or everyday chic styling.

Built for comfort as much as style, they feature a soft PU upper, flexible flat sole, and a secure slip-on fit for all-day wear. The durable rubber outsole ensures stability across any surface, from sand to city streets.

Versatile and easy to style, they pair perfectly with dresses, linen sets, or swimwear cover-ups. delivering that effortless luxury look for any occasion.

Shine brighter, stand out effortlessly, and make every step a statement.

SPECIFICATIONS

Back Counter Type: Back Strap

Brand Name: NONE

Closure Type: Slip-On

Department Name: Adult

Dressing style: Other

Fashion Element: Flower

Fit: True to Size

Gender: Women

Heel Height: Low (1CM - 3CM)

Heel Type: Flat with

High-concerned chemical: None

Insole Material: PU

Item Type: sandals

Lining Material: NONE

Occasion: Casual

Outsole Material: Rubber

Pattern Type: Solid

Sandal Type: Basic

Side Vamp Type: Open

Style: bohemian

Upper Material: PU

Upper coverage: Not above ankle

Upper fixing method: stitching

With Platforms: No

EU Size	US Size	UK Size	JP (cm)	Foot Length (cm)
35	5	2.5	22.0	22.0
35.5	5.5	3	22.5	22.5
36	6	3.5	23.0	23.0
37	6.5	4	23.5	23.5
38	7	5	24.0	24.0
38.5	7.5	5.5	24.5	24.5
39	8	6	25.0	25.0
40	9	6.5	25.5	25.5
40.5	9.5	7	26.0	26.0
41.5	10	7.5	26.5	26.5
42	10.5	8.5	27.0	27.0
43	11	9	27.5	27.5
43.5	11.5	9.5	28.0	28.0
44.5	12	10	28.5	28.5
45	13	10.5	29.0	29.0

Color Apricot black Caramel Navy

Shoe Size 36 37 38 39 40 41 42 43

Quantity

Free Shipping
Free Returns

💡 Product Details

Our Ultra Boost Inserts use skin-friendly, adhesive silicone that molds perfectly to your shape. Invisible under strapless and backless outfits, they deliver secure cup support and a seamless silhouette for any look.

🚚 Shipping & Delivery

Enjoy fast, reliable shipping on every order. We process and dispatch within 1-2 business days, with free standard delivery on any orders. Track your package every step of the way.

🔄 Return & Refund Policy

Not completely satisfied? We offer a 60-120 day return and refund policy. Simply reach out to our customer support, send the inserts back in their original packaging, and get your full refund—no questions asked.

View full details

Before and after Ultra Boost Inserts in action.

See the Difference

Seamless Silhouette

Tapered edges blend smoothly under any garment.

visibility

Stay in Place

Durable adhesive keeps you supported during vigorous movement.

fitness_center

Ready for Anything

Water-resistant and sweatproof for workouts and swim sessions.

water_drop

Reusable & Easy

Washable adhesive allows multiple uses with lasting stickiness.

autorenew

Before

After

Seamless Silhouette

Tapered edges blend smoothly under any garment.

visibility

Stay in Place

Durable adhesive keeps you supported during vigorous movement.

fitness_center

Ready for Anything

Water-resistant and sweatproof for workouts and swim sessions.

water_drop

Reusable & Easy

Washable adhesive allows multiple uses with lasting stickiness.

autorenew

Real Women, Real Confidence

Watch how Ultra Boost Inserts transform every look with invisible support.

Shop Ultra Boost Now

Based on over 1000+ Reviews

Why You'll Love It

The Ultra Boost Effect

92%

Felt more supported

100%

Enhanced shape

94%

Loved the comfort

Try Ultra Boost Now

Based on over 1000+ Reviews

Loved by Customers Everywhere

Samantha, NYC
I wore a backless dress without a worry—all night support and zero slipping!
Lena, LA
Perfect for my workouts—stayed put through every squat and sprint!
Mia, London
Invisible support that feels so natural, I forget I’m even wearing them.

	Ultra Boost Inserts	Competitor
Invisible under clothes
Sweatproof & waterproof
Washable & reusable
Lightweight natural feel

Ultra Boost vs. Ordinary Inserts

See why Ultra Boost stands out

Based on over 1000+ Reviews

Ready to Elevate Your Look?

Trust in your moves with confidence and comfort like never before. Whether you’re hitting the gym, dancing all night, or embracing a summer pool day, Ultra Boost Inserts are your secret weapon—lightweight, invisible, and reliable.

ORDER NOW

See the Difference

Seamless Silhouette

Stay in Place

Ready for Anything

Reusable & Easy

Before

After

Seamless Silhouette

Stay in Place

Ready for Anything

Reusable & Easy

Sparkly Women’s Crystal Flat Sandals – Boho Summer Beach Sandals, Rhinestone T-Strap Dress Shoes for Women