Knees that ache after a walk. Hips and a lower back that start bothering you by the end of the day. Most people blame age, weight or the job. For a lot of people it starts at the floor, with an arch that collapses every time they stand.

Collapsed arch vs. held arch
Top: no support. Your weight lands on the arch, it collapses, and the foot rolls inward.
Bottom: the same foot on a firm arch support. The arch is held up, so the foot stays level.
Same foot. Same weight. The only difference is what's under the arch.
It isn't your knees. It's your arches.
Your body works like a chain. When the bottom link leans, everything above it adjusts.
- The ankle leans in as the foot rolls.
- The shin twists inward and stays turned while you stand.
- The knee takes the stress on the inside. That's the ache after a long walk.
- The pelvis tilts to level things out.
- The lower back pays for it by the end of the day.
That's why it feels like age. For a lot of people it isn't a knee, hip or back problem. It's a foundation problem.
Leaning heel vs. straight heel
Top: the arch drops, the heel leans in, and the line from calf to heel bends. That bend is where the twist up to your knee starts.
Bottom: the arch is held up, so the heel sits straight and the line stays straight.
Want to check yours? Ask someone to take a photo of your heels from behind. If the line bends in at the ankle, your arch is collapsing.
Arch support that doesn't collapse
OrthoFlexx Max Arch Support Insoles do one job: hold your arch up under your full weight, so the foot stops rolling in while you wear them.
Most arch supports collapse the moment you stand on them. Custom orthotics hold, but cost over $1,000 for one pair.
The Tri Support System has three parts:
- Firm arch support. Holds up to 330 lbs / 150 kg without collapsing.
- U-shaped heel cup. Keeps your heel centered, so the ankle doesn't lean in.
- Cushioning layers. Padding under the heel and the ball of the foot.
Trim to fit. Works in the shoes you already own.
What people notice above their feet
"Easy to put in my tennis shoes. Went for a 2 mile walk on the track. No back or hip pain. That never happened before."
Al H., US
"I noticed a huge difference in the leveling of my hips approximately 3 weeks after wearing them everyday."
Sean D., Canada
Rated 4.8/5 on Trustpilot from 1,200+ reviews.
What the first two weeks feel like
- Days 1 to 7: Your arch will feel it. That's the support working. Start with 2 to 4 hours a day.
- Weeks 1 to 2: Most people wear them all day.
- After that: People notice their knees, hips and back at the end of the day.
Not for you? The 30-day money-back guarantee covers you, worn or trimmed.
"As an experienced podiatrist who also suffers from Plantar Fasciitis, I confidently recommend OrthoFlexx Max Arch Support insoles.
They provide excellent support, comfort, and meet all the qualities I seek when suggesting insoles to my patients."
1,200+ reviews on
Start at the floor
Hold Your Arch Up. Let the Rest of You Settle.
Stop treating the knee. Give your foot a foundation that doesn't collapse.
- Firm arch that holds up to 330 lbs / 150 kg
- Designed to relieve foot, knee & back pain
- Free shipping and a 30-day money-back guarantee

