A prosthetic foot, reimagined for more.

A smarter, connected prosthetic experience with extended range of motion, designed to adapt to real life and evolve over time.

Close-up of sneaker with prosthetic leg on stairs

Move freely.
Wherever you go.

Up to 39° of Ankle Motion

Designed for adaptability and dynamic response.

Person with a black prosthetic leg wearing animal print sneakers standing on gray rocks outdoors.

Stable on any terrain

From slopes to uneven ground, stay in control, every step of the way.

Man holding and spinning a woman with prosthetic legs in a park with autumn trees.

Smoother, more continuous flow

Transitions that feel seamless and intuitive

Made for how you live

Rough Terrain

For ground that doesn’t play by the rules.

User walking on an unven terrain with stones and gravel with a prosthetic leg outdoors

Slopes

For paths that rise and fall.

Person walking outdoors wearing shorts and a prosthetic leg with a white sneaker.

Stairs

Effortless transitions, up and down.

Close-up of a person wearing a black prosthetic leg with a white sneaker on an outdoor staircase.

Turning

Natural direction changes

Person with a prosthetic leg navigating yellow cones on a green outdoor sports field.

Long Walks

For the moments you decide to keep going.

Man with a prosthetic leg wearing a backpack walking on a dirt path beside a lake with mountains in the background.

Active Moments

Move with ease, without overthinking.

Person with a prosthetic leg wearing a white sneaker while sitting on a bicycle.

Effortless Standing

Stay balanced and supported, even over time.

Close-up of double amputation bilateral Lunaris prosthetic legs with white and blue sneakers indoors on a gray floor.

All-day Performance

From morning to night, without compromise.

Man with a prosthetic leg walking across tram tracks on a city street under a blue sky with clouds.

Lunaris prosthetic foot in Graphene Black finish highlighting premium design

Mechanical by Design.
Human by Movement.

Validated by clinical results

More Natural Movement.
Greater Efficiency.

Immediate Comfort.
Less Fatigue.

Intuitive Design.
Trusted by Users.

More natural movement.
Greater Efficiency

Immediate Comfort.
Less Fatigue.

Intuitive Design.
Trusted by Users.

85% of testers are convinced that the Lunaris product line will improve their quality of life^*

Developed with users. Refined through real-world testing.
_{*Based on feedback from over 150 trial participants.}

Feeling more stable in everyday situations

Greater comfort and flexibility, even on uneven terrain

Easier navigation on stairs and slopes

Easy to adapt to, even without prior experience

A walking experience that feels closer to natural movement

View clinical results Why energy return matters

A fundamentally different way to move

Engineered to function like the human ankle

Close-up of a sleek black and silver device labeled 'LUNARIS' against a black background.

A true ankle articulation

Unlike most prosthetic feet, Lunaris integrates a mechanical ankle joint for seamless, continuous motion

Detailed view of prosthetic foot mechanical components and structure

A new structural approach

By separating structural support from flexible elements, Lunaris delivers both stability and dynamic response

Three metallic and black robotic feet components labeled Lunaris, arranged side by side on a black background with deformed spring through the gait cycle

Progressive energy response

The spring adapts throughout the gait cycle, soft at impact and responsive as you progress forward

Smart Connectivity

Lunaris IO and IO+ capture detailed data to give you clear insights to better understand how you move, with new capabilities continuously being developed.

500

measurements per second

High-frequency motion tracking

14 sensors capture data in real time, building a clear picture of your activity

Intelligence built in

A smart embedded system designed to continuously improve how your activity is understood

Steps

Cadence

Walking Time

Distance

Your movement, made clear

Access clear insights into your steps, cadence, and activity, all in one app

The + in Lunaris IO+

Designed to go beyond insight.
‍
Your prosthesis supports you and evolves over time through ongoing services and upgrades.

Predicts before it happens

Data monitoring helps identify potential issues early and supports maintenance.

Evolves with your life

Adjustments are made over time to reflect changes in your activity level, weight, or lifestyle.

Always up to date

New components and improvements can be introduced to keep your prosthesis up to date with the latest advancements.

Lifetime support, built in

Benefit from a lifetime warranty with AxilesCare+, ensuring long-term reliability and peace of mind.

High-performance materials

Every component works with your body, combining advanced materials and engineering to deliver balanced, responsive, and natural movement in everyday life.

Composite Spring

Stores and releases energy to support a smoother, more efficient walking rhythm.

Shock Absorption

The 3D-printed cover absorbs impact with every step, increasing comfort throughout the day.

Torsion

The 3D-printed cover is designed for fluid rotation, making turns and uneven surfaces feel more natural and balanced.

A clean, distinctive look

Available in a refined palette of colours, each finish enhances the bold, geometric signature of Lunaris.
A design that stands out, with more ways to make it your own.

Close-up of a sleek black product part labeled 'Lunaris' with text 'Graphene Black' on a black background.

Close-up highlighting texture of Graphene Black finish

Close-up of a sleek black product part labeled 'Lunaris' with text 'Ivory Stride' on a black background.

Close-up of Lunaris prosthetic foot in Ivory Stride finish

Close-up of a sleek black product part labeled 'Lunaris' with text 'Warm Sand" on a black background.

Lunaris prosthetic foot in Warm Sand finish

Close-up of a sleek black product part labeled 'Lunaris' with text 'Golden Gait' on a black background.

Lunaris prosthetic foot in Golden Gait finish

Experiences That Speak for Themselves

I feel truly secure, no matter the terrain. I don’t even need to look at where I’m stepping anymore. The Lunaris IO+ naturally adapts to the ground, even during hiking and mountain biking.

Michel

57 years old, BKA Unilateral

Walking on uneven terrain like this would have been impossible with my previous prostheses.

Dylan

33 years old, Bilateral BKA

After starting with Lunaris IO, my chronic back pain significantly reduced, transforming what once felt like an impossible burden into a life free from the constant ache that had plagued me for years

Jean

55 years old, Unilateral BKA

Being bilateral meant double the challenges, but with Lunaris IO, I’ve regained control over my mobility. I can now live an active life, free from the limitations I once faced

Emilie

27 years old, Bilateral BKA

Lunaris IO+ has given me my life back.
After years of struggling with limited mobility, I can now move freely and enjoy the activities I once loved

Lukas

40 years old, Unilateral BKA

Close-up of a prosthetic leg with a Lunaris device wearing a white Adidas sneaker with red stripes on moss-covered stone steps.

Technical specifications

Range of motion: up to 39°

IP classification: IP54

Torsion and Shock Absorption: Yes

Amputation Level: Transtibial, Transfemoral, Hip Disarticulation, Knee Disarticulation - Unilateral, Bilateral

Mobility Level: K2, K3, K4

Available Sizes: 24-30 cm

User Weight Range: 45 - 110 kg

Choose your Lunaris

Lunaris IO

Move further. Smart connectivity.

Order Lunaris IO

Up to 39° of Ankle Motion
14 embedded sensors
Activity data tracking
Dedicated mobile application
Contribution to prosthetic research

Lunaris IO+

Built for what’s next. Engineered to evolve.

Order Lunaris IO+

ALL Lunaris IO features included
+ Anticipates maintenance needs
+ Continuous updates over time
+ Access to future upgrades
+ Lifetime warranty with AxilesCare+

Smiling man with a prosthetic leg standing on a large ornate stone pedestal in a green park.

Woman with a prosthetic leg standing on gray rocks outdoors near modern building.

Man with an Axiles Bionics foot and the Navii knee from Ossur standing on a train platform wearing a red jacket and blue jeans

Ready

for Lunaris?

Start your Lunaris journey

Thank you for contacting us. Our team will get back to you as soon as possible

Oops! Something went wrong while submitting the form.

A prosthetic foot, reimagined for more.

Move freely. Wherever you go.

Up to 39° of Ankle Motion

Stable on any terrain

Smoother, more continuous flow

Made for how you live

Rough Terrain

Slopes

Stairs

Turning

Long Walks

Active Moments

Effortless Standing

All-day Performance

Mechanical by Design.Human by Movement.

Validated by clinical results

85% of testers are convinced that the Lunaris product line will improve their quality of life*

A fundamentally different way to move

A true ankle articulation

A new structural approach

Progressive energy response

Smart Connectivity

High-frequency motion tracking

Intelligence built in

Your movement, made clear

The + in Lunaris IO+

High-performance materials

Composite Spring

Shock Absorption

Torsion

A clean, distinctive look

Experiences That Speak for Themselves

Technical specifications

Choose your Lunaris

Lunaris IO

Lunaris IO+

Start your Lunaris journey

Dream big, aim high, and dare to be extraordinary

Cookie Settings

Cookie Settings

More natural movement.Greater Efficiency

Immediate Comfort. Less Fatigue.

Intuitive Design. Trusted by Users.

Move freely.
Wherever you go.

Mechanical by Design.
Human by Movement.

85% of testers are convinced that the Lunaris product line will improve their quality of life^*

More natural movement.
Greater Efficiency

Immediate Comfort.
Less Fatigue.

Intuitive Design.
Trusted by Users.