Mass & Slim Compression Leggings

$139.95 $109.95

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Mass & Slim Compression Leggings use Tourmaline® micro-massage technology and firmer sculpting compression to help support circulation, smooth the appearance of cellulite, and help reduce inches over time — while functioning as fully opaque outerwear leggings you can wear anywhere.

Estimated delivery between March 15 and March 17.

Size

Firm Compression. Sculpted Confidence. Smoother-Looking Legs in 30 Days.

  • Helps smooth the appearance of cellulite
  • Supports circulation and lymphatic flow
  • Firm compression that sculpts waist-to-ankle
  • Fully opaque outerwear leggings
  • Designed for 8–12-hour daily wear

See Mass & Slim Compression Leggings Black in Action

Tanya is wearing size XL in this video.

Customer wearing size Medium

Mass & Slim Compression Leggings combine firm sculpting compression with Tourmaline® micro-massage technology to help support circulation, smooth the appearance of cellulite, and help reduce inches over time.

Unlike typical compression leggings that simply squeeze, Mass & Slim works with your body’s movement to provide both instant shaping and gradual improvements with consistent wear.

These are fully opaque outerwear leggings — designed to be worn confidently at the gym, running errands, or anywhere you want sculpted, smooth-looking legs.

What Does Mass & Slim Mean?

Mass & Slim stands for Massage and overall Slimming.

The technology works in two ways:

Massage: Embedded Tourmaline® ceramic beads create a gentle micro-massage effect as you move, helping support circulation and lymphatic flow.

Slimming: The sculpting compression fabric shapes, lifts, and smooths your waist, hips, thighs, and calves for a visibly slimmer silhouette.

Together, these two actions help reduce apearance of cellulite and improve body contouring over time.

Why Women Love Mass & Slim Compression Leggings

Supportive Sculpting Compression

These leggings provide firmer compression than the gray shapewear line, creating a supportive hold that sculpts your lower body.

They help shape and lift:

• waist
• hips
• thighs
• calves

The result is a smooth, confident silhouette that looks as powerful as it feels.

Active Cellulite Support Technology

Mass & Slim Compression Leggings feature Tourmaline® micro-massage beads embedded directly into the fabric.

As you walk, move, or exercise, these beads create gentle friction against the skin.

This micro-massage effect helps support:

• healthy circulation
• lymphatic flow
• reduced fluid retention
• smoother-looking skin over time

In a 30-day third-party clinical study, participants experienced measurable reductions including:

up to 3.2 cm around the hips
up to 2.3 cm around the thighs

Individual results may vary.

Fully Opaque Outerwear Leggings

Unlike traditional shapewear, these leggings are designed to be worn as outerwear.

The premium black compression fabric is:

• completely opaque
• squat-proof
• non-transparent
• gym-ready

They look like high-end fashion leggings while delivering the benefits of anti-cellulite compression technology.

High-Waisted Sculpting Support

The high waistband smooths the midsection and stays securely in place throughout the day.

No rolling.
No sliding.
No constant adjusting.

Just a sleek, sculpted silhouette that stays comfortable through workouts, errands, and everyday life.

Breathable Comfort for All-Day Wear

Made with a breathable bamboo-viscose blend, the fabric feels soft and flexible against the skin while maintaining strong compression support.

Many customers wear their Mass & Slim Compression Leggings 8–12 hours daily.

How Mass & Slim Compression Leggings Work

  1. Wear the leggings 8 hours per day
  2. Tourmaline® beads create a gentle micro-massage effect as you move
  3. Circulation support helps smooth the appearance of cellulite over time

With consistent wear, many women report:

  • Smoother-looking skin
  • Improved comfort in their legs
  • Subtle reductions in inches
  • Better support during long days on their feet

Your 30-Day Wear Plan

For best results, wear your Mass & Slim Compression Leggings 8 hours per day for 30 days.

Week 1–2

Immediate shaping and firm compression support. Legs often feel more supported during activity.

Week 2–3

Skin texture may begin to feel smoother. Some women notice reduced puffiness or swelling.

Week 3–4

Many customers report visible improvements in cellulite appearance and subtle reductions in inches.

Consistency is key.

Gray Shapewear vs. Black Compression Leggings

Understanding the difference helps you choose the right Mass & Slim product.

Gray Mass & Slim Shapewear (Shorts, Leggings, Waist Shaper)

• Designed to be worn under clothes
• Higher elasticity for discreet comfort
• Softer compression for everyday smoothing
• Invisible under dresses, scrubs, and office clothing

Black Mass & Slim Compression Leggings

• Designed to be worn as outerwear leggings
• Firmer compression for sculpting and lifting
• Fully opaque fabric with zero show-through
• Perfect for workouts, errands, travel, and everyday wear

Both styles use the same Tourmaline® micro-massage technology to support circulation and help reduce inches and cellulite over time.

Sizing Guide

Mass & Slim products follow standard U.S. sizing.

S (6/8) | M (10/12) | L (14/16) | XL (18/20)

Important Fit Guidance

The Black Mass & Slim Compression Leggings are outerwear with firmer compression, so we suggest sizing up one full size. Both lift, shape, and help improve circulation to reduce inches and cellulite over time.

The Black Mass & Slim Compression Leggings may feel snug when new — this is intentional.

After 3–4 wears, the fabric molds slightly to your body for a personalized fit.

The Gray Mass & Slim Shapewear is designed to wear under clothes—true to U.S. sizing. Size up only if you’re between sizes.

Designed for Women With Busy Lives

Mass & Slim Compression Leggings are especially popular with:

• nurses and healthcare professionals
• women who work long hours on their feet
• busy moms juggling daily responsibilities
• women over 40 managing circulation concerns
• women who want cellulite-reducing leggings without changing their lifestyle

They are also commonly chosen by women experiencing:

• leg fatigue
• swelling
• varicose veins
• lymphedema concerns
• post-workout recovery needs

Fabric & Care

53% Polyamide
33% Polyester
14% Elastane

Machine washable and dryer safe.

For best results:

• Wash on a gentle cycle
• Dry on low heat

Close-up of Tourmaline beads pattern

Start Your 30-Day Transformation Risk-Free

Take the 30-Day Mass & Slim Challenge.

Wear your Mass & Slim Compression Leggings 8 hours a day for 30 days to experience the benefits seen in our clinical study.

If you're not satisfied, you can return them or exchange sizes within 60 days — completely risk-free.

What Women Are Saying:

⭐️⭐️⭐️⭐️⭐️ Kathleen Wiley: "I absolutely love my slimming leggings! I notice a difference in my upper thighs!"

⭐️⭐️⭐️⭐️⭐️ Maria Checkley: "Excellent product, I love it. Feels good on my legs, I recommend it 100%! I’m very happy with it."

⭐️⭐️⭐️⭐️⭐️ Janis King: "These are absolutely heavenly! They hold you in and seem to be diminishing the cellulite a bit. Love them!"

SEE MORE REVIEWS

Free 60 Day Return Policy!

Mass & Slim Compression Leggings
$139.95 $109.95
$139.95 $109.95

Tax Free Delivery

Deliveries made easy! Enjoy tax free delivery on all Black Purple products you purchase!

60 Day Return

We know it might not always be the perfect fit first time around, that's why we offer a 60 day return or exchange!

Fast Delivery

Black Purple strives to delivery your quality products within 3-5 days so you can enjoy then sooner!

FAQs

Tourmaline® beads create a massage effect that boosts blood and lymphatic circulation. The improved circulation helps to reduce cellulite and inches over time.

The Gray Mass & Slim Shapewear is designed to wear under clothes—true to U.S. sizing. Size up only if you’re between sizes.

The Black Mass & Slim Compression Leggings are outerwear with firmer compression, so we suggest sizing up one full size. Both lift, shape, and help improve circulation to reduce inches and cellulite over time.

Our products are clinically tested to show visible results within 30 days, with reductions of up to -3.2 cm in the hip area and -2.3 cm in the thighs. For best results, we recommend wearing the garment for 8 hours a day for 30 consecutive days, as per clinical studies.

Whether you're a nurse, new mom, or constantly on the go, Mass & Slim shapewear fits seamlessly into your routine, offering a lifting and shaping effect for a flattering silhouette.

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