Warehouse worker walking on concrete floor

For people who work on concrete

There is nothing wrong with your feet.
The warehouse floor is the problem.

Your boots need Landing Gear.

Get Landing Gear — Free Shipping

90-day full refund · Works in work boots

2M+ people
109 patents
18¢ a day

You've been on that floor for years.
Your body has been paying for it.

By hour 6 your ankles ache. By hour 8 your knees are telling you something. By the end of the week it's in your hips. Your lower back. You've tried things — better boots, a gel pad, an insole. It helped a little. Or not at all.

Here's what none of them told you.

There is nothing wrong with your feet.
The floor is the problem.

Your feet were never built for this floor.

For nearly two million years, every step your ancestors took landed on varied, shifting, natural terrain. Your subtalar joint, your arch, your entire kinetic chain — ankle to knee to hip to lower back — evolved to handle that variety. Then came the warehouse floor.

2,000,000
years walking on varied natural terrain
200
years of concrete and flat floors

The mismatch doesn't disappear. It accumulates. Every shift, every step on that same flat unforgiving surface — your joints waiting for a signal the floor never sends.

That is what is happening to your body.
Not age. Not weakness. The floor.

Verified Zappos Reviews · Warehouse Workers

✓ Read the Zappos reviews →

Millions of warehouse workers are already on the other side of this.

These are people who stand on the same floor you do. Read what they said — unprompted, because it worked.

★★★★★

"I work walking in an Amazon warehouse all day long and these are fantastic. I have a herniated disk at the L4-L5 and these have helped with my chronic back pain immensely. They're perfectly firm while also having just the right amount of give. Literally couldn't recommend these enough — and I'm trying to get them for my whole team to wear."

N
Nathan
Amazon warehouse worker · Zappos · December 2023

40 people found this helpful

★★★★★

"The insoles changed my life. I no longer suffer from sore feet after my 10-hour shifts involving constant standing and walking. Great investment with fabulous returns."

A
Anonymous
10-hour shift worker · Zappos · January 2024

19 people found this helpful

★★★★★

"They keep your ankle, knees, hip and back aligned. I use them in all my shoes."

E
Elena
Zappos · March 2026

The question now is whether your own body will confirm what theirs already did — and it will tell you faster than any review can.

Get Landing Gear — Free Shipping

90-day full refund · Works in work boots

You've probably tried something before.

A gel insole. Better boots. An OTC arch support. It helped a little, or not at all. There is a reason — and it is not you.

Every insole ever made was designed around your foot.
Not one of them noticed the floor.

They captured your foot in one static position. Like a photograph. But your foot at work is a movie — ten thousand steps a shift, every one landing on the same flat surface. A photo cannot fix a movie.

Every insole

A snapshot. Cushions the landing. Props the arch. Ignores what the flat floor is doing to your mechanics with every single step.

Landing Gear

The full sequence. Corrects the angle the flat surface creates. Sends the signal the concrete never does — the one your body has been waiting for.

So what does Landing Gear actually do?

It does not cushion your foot. It does not prop your arch. It does not make the concrete softer.

Landing Gear sends the signal
the floor never does.

The geometry built into every pair corrects the angle your subtalar joint lands at — the same correction your body would make automatically on natural terrain. Your ankle follows. Then your knee. Then your hip. Then your lower back. Not because we told them to. Because that is how the kinetic chain works.

Put them in your boots. Take a step. Your body will tell you — faster than any explanation ever could.

Independent Lab Testing — Dr. Martyn R. Shorten, Ph.D.

From 1 in 10… to 19 in 31.

Same 31 subjects. Same measurement. Four conditions.

How many bodies moved into a consistent mechanical range?

Standard insole
EVA foam
3
of 31 bodies
10%
Leading aftermarket
Better shape. Same flat geometry.
6
of 31 bodies
19%
T-100 · Protalus geometry
Ground adapter geometry
19
of 31 bodies
61%
T-100
The remaining 12
12
bodies outside range
39%
28 bodies still outside — compensating through knees, hips, and lower back.
25 bodies still outside. The shape changed. The geometry didn't.
Wide variation in. Consistent range out. Whatever your starting point — the geometry brings the majority into range.
9 of those 12 landed within 1.5° of the range. Only 3 with the highest starting deviation remained outside.

The T-100 brought 19 of 31 bodies fully into range. Of the remaining 12 — 9 landed within 1.5° of the threshold. Only 3 subjects remained meaningfully outside, and all three started with the highest deviation values in the entire study. Even the hardest cases moved.

The geometry doesn't push every body to the same fixed position. It compresses variability — so force moves through the system the same way, step after step. That consistency is what allows the body to stay stable, absorb efficiently, and stop compensating.

Behling et al. 2023 · Biological Reviews · Cambridge Philosophical Society

Peer-reviewed research establishing that the conventional arch support model — the foundation of every standard insole — is biomechanically incorrect. The foot is not a rigid lever. It is a dynamic system that requires the correct mechanical input at landing.

Published in Biological Reviews. DOI: 10.1111/brv.12999

Source: Dr. Martyn R. Shorten, Ph.D. · BioMechanica LLC · Independent study, November 2019 · n=31

T-100 Landing Gear

18¢

a day. Most pairs last a full year.
That is what this actually costs.

$64.95

or 3 × $21.65 · no interest · free shipping · works in work boots

Order Now — Free Shipping
90 days. Full refund if your body says no. Not a dollar lost. No questions. No hoops.
Works in work boots — ensure there is room in the toe box.

Your body already knows how to answer this.

Child removing pebble from shoe
You know
this

The pebble in your shoe. You don't think about it. You don't analyze it. Your body tells you instantly — and you stop and fix it.

Protalus Landing Gear in work boots
This is
the same

Put them in your shoes or boots. Take a few steps. Your body will tell you — 95 out of 100 times, it says yes. And it says it fast.

90 day money back guarantee
And if it
says no

You get every cent back. No questions. No hoops. Not a dollar lost. 90 days to let your body be the judge.

Let YOUR Body Decide

98% of people who try them keep them. The other 2% get their money back.

Buy Here — Your Body Will Tell You Within Minutes →

90 Days Full Refund

Put them in your boots tonight.

Tomorrow's shift does not have to feel like today's. Your body will tell you within minutes. 95 out of 100 say yes. The other 5 get every cent back.

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90 days · full refund · no questions · not a dollar lost