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Calibrate your frame°

Chances are, you do.

Calibrate your frame°

1 in 2 adults have one leg longer than the other

Patent Pending

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Anatomical diagram of skeletal misalignment caused by leg length discrepancy (LLD). Visualizes a kinetic chain of compensation: lateral pelvic tilt, functional lumbar scoliosis, and uneven loading on the ankle, knee, and dropped shoulder.

Our bodies are naturally asymmetrical.

The modern world isn't.

Our modern environment is built for symmetry - sidewalks, flooring, treadmills, bikes, the list goes on - yet our natural bodies aren't optimized for this.

90% of us have a difference in our leg length.

1 in 2 could benefit from the use of a lift. Many never know to correct a shorter leg.

Conventional medicine says it doesn't matter under 20mm, but the research says biomechanical impact starts at 5mm.

Mesa is built for the gap.

When one leg is shorter, your body compensates.

Your pelvis tilts.
Your spine curves to follow.
Your knee, hip, and ankle load unevenly — every step, every mile, every hour on your feet.
Most people never connect the dots. Mesa is built for people who do.
Mesa foot and heel lift system installed in a sneaker for leg length discrepancy (LLD) correction; visualizing the stackable HexCore™ lattice and precision footwear fit.

Mesa Interlocking Foot & Heel Lifts

Mesa stacks in modular 2mm layers.

Full-foot and heel-only allow you to tailor fit to different types of shoes and forefoot space.

Built around the patent-pending HexCore™ lattice and engineered to hold its height under load where conventional lifts compress.

No taping. No sliding. No clunky vinyl. Just precision calibration that stays where you put it.

Mesa full-foot lift top view showing the proprietary HexCore™ lattice with heel and metatarsal support pads for non-compressible leg length discrepancy calibration.
Mesa Lifts
BEST VALUE
 Vinyl Lifts Foam Lifts Custom Orthotics
Cost $47-$67 $20-$40 $10-$20 $300-$800
Modular & reversible ✓Interlocking, no adhesive Stackable but requires tape ✗Fixed ✗Fixed
Breathable structure ✓HexCore™ lattice ✗Traps moisture ✗Traps moisture Varies
No-slip grip ✓Hex texture, no tape ✗Requires tape ✗Slips in shoe ✓Built-in
Holds calibrated height ✓Solid TPU at load points ✓Solid vinyl ✗Compresses 25-40% ✓Rigid plastic
Lifespan 5+ Years 1-4 Years 2-3 months 1-5 years
Adjustable on demand ✓Self-calibrate at home ✗Permanent once cut ✗Single height ✗Practitioner only

Founded On Research

Conventional medicine says leg length differences under 2cm don't matter.

The research says otherwise.

Compensation begins at 5mm. The body shifts the pelvis, curves the spine, and loads joints unevenly to even out the difference.

75% of chronic low back pain patients have an LLD of 5mm or more.

For standing workers, 6mm doubles the risk of chronic back pain.

For runners and active people, 6mm hits the body like 18mm. Every step transmits 3x body weight through the supporting leg.

Shoe lift correction works. A randomized trial showed adults with LLD of 10mm or less saw significant pain reduction from a simple lift.

See the full research →

Leg Length Discrepancy Prevalence

0-4mm
41%
Most adults compensate fine
5-9mm
37%
Biomechanical effects begin
10-19mm
22%
Documented joint and spine consequences
20mm+
1%
Surgical threshold

Why I Built Mesa

Joshua Kasumovic, founder of Mesa Lift; a technical entrepreneur and athlete specializing in postural calibration and footwear systems for leg length discrepancy.
Founder, Joshua Kasumovic
Mesa founder Joshua Kasumovic’s hip X-ray showing a 10mm leg length discrepancy (LLD) with the resulting pelvic misalignment and lumbar scoliosis.
My LLD - 10mm
Mesa founder Joshua Kasumovic during a technical alpine climbing ascent; showcasing the rugged environments and extreme performance testing that inform Mesa footwear systems.
My Why

I'm Joshua. I've had a leg length discrepancy my entire adult life and didn't know it until I was 34.

My life has been spent on my feet. Sixteen-hour days in hospitality. Gymnastics, wrestling, cycling, trail running, climbing, mountaineering. Pain showed up everywhere on one side: ankle, knee, hip, sciatica, sacrum, low back, shoulder. Different sports brought it out differently. Every doctor had a different theory.

I finally got a hip X-ray. The orthopedic surgeon told me I had a curve in my spine. That sometimes you just get old and have to give up the things you love.

I couldn't accept that.

I went home, measured myself, and figured out I had a 10mm leg length discrepancy. When I brought it to my PT, he told me not to put a lift in my shoe because it would cause more problems than it solved.

I politely finished the session and never went back. I put a lift in my shoe that night.

The pain started lifting within weeks. I got my life back.

Mesa was built to fill the gap. The gap in your body. The gap in the products. The gap in the conversation.

If you're in a similar situation, this is for you.

— Joshua Kasumovic, Founder | Connect with the Founder

Frequently asked questions

Why is a full-foot lift superior to a standard heel wedge?

Most heel wedges only lift the back of the foot, which forces the arch to collapse and the foot to slide forward. Mesa provides a level, full-foot foundation that maintains natural biomechanics and prevents the "tiptoe" effect. This ensures your entire kinetic chain stays aligned without causing secondary foot fatigue.
Will Mesa lifts compress or lose height under my body weight?

No. Unlike foam or gel inserts that compress by 30% or more, Mesa is built around a patent-pending HexCore™ lattice. Engineered from high-density thermoplastic, it is calibrated to hold its precise height under load. Whether you are standing for a 12-hour shift or training in the mountains, your correction remains constant.
Do I need adhesive or tape to keep the lift from sliding in my shoe?

No. Mesa utilizes a precision interlocking design where each layer snaps into the next to form a single, rigid unit. The HexCore™ structure provides a natural grip against the interior of your footwear, eliminating the need for messy tapes or adhesives common with vinyl or foam stacks.
How many layers do I need for my specific leg length discrepancy?

Mesa is a stackable system that adjusts in 2mm increments, providing a range from 5mm to 20mm. The Get Calibrated° protocol helps you identify your specific measurement. Once you have your number, you simply snap the interlocking layers together to create your custom height.
Will Mesa lifts fit in sneakers, dress shoes, and work boots?

Yes. The slim, technical profile is designed to integrate into most closed-toe footwear. Because the system is stackable, you can tailor the height and length (full-foot, three-quarter, or heel-only) to fit the specific volume of your shoe, ensuring your heel stays seated and secure.
How long do Mesa lifts last compared to drugstore inserts?

While foam and vinyl lifts typically degrade within months, Mesa is engineered as a durable hardware solution with a lifespan of 5+ years. The materials are non-porous, moisture-resistant, and designed for thousands of miles of use without losing structural integrity.
Is a 5mm difference really worth correcting?

Research shows that biomechanical compensation, including pelvic tilt and spinal curvature begins at just 5mm. While conventional medicine often ignores differences under 20mm, chronic back, hip, and knee pain are frequently linked to these smaller discrepancies. Mesa is built to fill that 5mm to 20mm gap where the impact occurs.