Pre-seed round now open

One heel.
Every height.

THYS is the world’s first luxury high heel with continuously adjustable height — any height from 1.7″ to 4″, manual or motorized, in one self-contained mechanism.

THYS adjustable-height stiletto sandal in black leather with a telescoping steel heel
Telescoping heel · 1.7″ – 4″
1.7″ – 4″
Continuous height, one pair
$1.5B
US market
0
Direct competitors
Patent
Pending, proprietary mechanism

35 million U.S. women choose between comfort and presence before they leave the house.

Her body
123,355

U.S. ER visits for high-heel injuries — 1 in 5 was a fracture.

Her pressure
+144%

More forefoot pressure standing in a 4″ heel vs. flat.

Her day
61%

Of women have carried a second pair to change into.

Her closet
17 : 3

Pairs she owns : pairs she actually wears.

Her shoes decide her day.

Precision engineering.
Luxury craft.

A self-contained telescoping mechanism hidden inside a stiletto silhouette. Nothing to swap, carry or lose — she changes height, not shoes.

THYS heel mechanism prototype resting on black blocks
Mechanism prototype
Try it
Drag the gold dot to set the heel height
3.2″
Dinner & events
1.7″4″
  • 01

    Infinite heights, one pair

    Any continuous height between 1.7″ and 4″.

  • 02

    Manual or motorized

    Two adjustment modes on one platform.

  • 03

    Self-contained mechanism

    Nothing to swap, carry, or lose.

  • 04

    Engineered to endure

    High yield strength, stiffness, endurance and corrosion resistance.

  • 05

    Comfort is the new luxury

    Wellness without giving up the silhouette.

  • 06

    Category defining

    No direct competitors today.

Denise Kwong, co-founder and CEO of THYS
“In 2019 I was sprinting to a client meeting with my investment banking team through underground tunnels in 4″ stilettos. That night I quit looking for the right heel and decided to make it.”
Denise Kwong · Co-founder & CEO

A $1.5B US market.
Wide open.

The high-heel industry hasn’t fundamentally changed its product in decades. THYS sits at the intersection of fashion, technology, robotics and consumer hardware — with no direct competitor offering continuous height in a single pair.

THYS heel mechanism, fully collapsed, beside a U.S. quarter for scale
Collapsed heel · Quarter for scale

The high-heel industry is ripe for disruption.

Invest in the future of footwear

We’re raising
our pre-seed round.

We’re connecting with venture investors at the intersection of fashion, technology, robotics and consumer hardware. If you believe the future of luxury is intelligent, we’d love to talk.