CALCANEUS

Calcaneus

A Slipper Designed for Retrocalcaneal Pain & Achilles Tendon Stress

Pain at the back of the heel—often linked to Achilles tendon irritation or retrocalcaneal stress—requires more than just softness.

It requires biomechanical understanding.

Calcaneus was developed to address this very specific problem:
reducing tension on the Achilles tendon without disturbing natural foot mechanics.

Why Retrocalcaneal Pain Needs a Different Slipper

In conditions affecting the Achilles tendon, raising the heel slightly is a well-known method to reduce tendon strain.

But here’s the critical mistake most designs make:

They raise the heel—and forget the rest of the foot.

Simply elevating the heel without supporting the foot properly can:

• Collapse the medial arch

• Alter pressure distribution

• Transfer stress to the midfoot, knee, or lower back

Calcaneus was created to solve this exact imbalance.

Heel Elevation Done the Right Way

Heel Raise With Arch Integrity

When the heel is raised:

• The medial longitudinal arch naturally increases

• The foot requires structured support, not just cushioning

Calcaneus is designed to:

• Provide controlled heel elevation

• Preserve medial arch alignment

• Maintain natural foot posture during standing and walking

This balance is what makes the slipper effective—and safe for daily use.

Designed After Studying Real Walking Patterns

The design of Calcaneus is not theoretical.

It is based on:

• Observation of multiple walking patterns

• Long-term evaluation of gait changes with heel elevation

• Understanding how prolonged use affects foot posture and comfort

This led to a refined structure that supports both movement and rest.

Bi-Layered Sole: Stability Meets Comfort

Calcaneus features a bi-layer sole system, where each layer has a clear role:

• Denser Outsole

• Provides stability

• Maintains shape under body weight

• Controls excessive compression

• Softer, Durable Insole

• Cushions the foot

• Adapts to pressure during walking

• Maintains comfort without rapid breakdown

This combination ensures:

• Reduced strain on the Achilles tendon

• Consistent performance over time

• Comfort without instability

Medial Arch Support: Non-Negotiable

One of the most important principles behind Calcaneus is arch preservation.

• Medial arch support is structurally integrated

• It works in harmony with the raised heel

• Prevents excessive midfoot collapse

This makes Calcaneus suitable for:

• Prolonged standing

• Repeated walking

• Daily indoor use

Anti-Skid Sole: Safety Comes First

Across all Orthoziqq slippers, safety is not optional.

Calcaneus is built with:

• Best-in-class anti-skid sole design

• Reliable grip on smooth indoor surfaces

• Reduced risk of slips—especially important for painful or guarded walking

Comfort-First Straps, Not Pressure Points

The straps in Calcaneus are designed with a clear philosophy:
They should support—not hurt.

• Positioned to avoid pressure on sensitive areas

• Designed for long wear without irritation

• Comfortable without compromising stability

Designed to Look as Good as It Feels

Medical footwear does not have to look medical.

For Calcaneus:

• Designers worked full-time on colour combinations

• Modern aesthetics were prioritized

• Function was never allowed to compromise appearance

The result is a slipper that:

• Fits seamlessly into daily life

• Looks contemporary

• Feels purpose-built

More Than Relief — A Step Toward Prevention

Calcaneus is intended for:

• People suffering from retrocalcaneal pain

• Those with Achilles tendon stress

• Individuals at risk due to poor footwear or prolonged standing

By addressing heel height, arch alignment, and load distribution together, Calcaneus aims to:

• Reduce tendon strain

• Improve walking comfort

• Prevent long-term progression of pain

Not a Generic Heel-Raised Slipper

Calcaneus is not just a raised-heel slipper.

It is a condition-specific design, created with:

• Biomechanical logic

• Long-term comfort in mind

• Real-world walking behavior

Calcaneus

When heel elevation needs intelligence—not guesswork.