Arch Support Insoles Matched to Your Foot Type

StepAlign insoles come in four support levels for low, mild, normal, and high arches. Choose by foot type, shoe fit, and daily activity.

Choose Your Arch Support Level

Start with your arch type. Each StepAlign model uses a different support height and support feel for daily shoes, work shoes, sneakers, boots, and active footwear.

Firm Arch Support Insoles — LOW+ 29mm for Flat Feet

Firm Arch Support Insoles — LOW+ 29mm for Flat Feet

Firm Arch Support Insoles — LOW+ 29mm for Flat Feet

$35.99
Sale price  $35.99 Regular price  $52.99 -32% OFF
High Arch Support Insoles — HIGH 35mm for Full Arch Contact

High Arch Support Insoles — HIGH 35mm for Full Arch Contact

High Arch Support Insoles — HIGH 35mm for Full Arch Contact

$35.99
Sale price  $35.99 Regular price  $52.99 -32% OFF
Moderate Arch Support Insoles — MILD 31mm for Mild Flat Feet

Moderate Arch Support Insoles — MILD 31mm for Mild Flat Feet

Moderate Arch Support Insoles — MILD 31mm for Mild Flat Feet

$35.99
Sale price  $35.99 Regular price  $52.99 -32% OFF
Balanced Arch Support Insoles — NORMAL 33mm for Running and Walking

Balanced Arch Support Insoles — NORMAL 33mm for Running and Walking

Balanced Arch Support Insoles — NORMAL 33mm for Running and Walking

$35.99
Sale price  $35.99 Regular price  $52.99 -32% OFF

What are arch support insoles?

Arch support insoles are shoe inserts designed to add structured contact under the midfoot. StepAlign makes arch support insoles in four measured profiles: LOW+ 29mm for low or flat arches, MILD 31mm for mild flat feet, NORMAL 33mm for typical arches, and HIGH 35mm for high arches or high instep. Each model uses trim-to-fit edges so it can work inside sneakers, boots, work shoes, trainers, and casual footwear. The goal is to help everyday shoes feel more supportive by matching the insole shape to the user’s foot type. StepAlign insoles are daily comfort and shoe-fit support products, not medical treatment devices. Individual fit and comfort results vary.

Compare all four StepAlign support levels

Compare StepAlign’s four arch support profiles by foot type, support height, and daily use. LOW+ 29mm is built for low or flat arches, MILD 31mm for mild flat feet, NORMAL 33mm for typical arches, and HIGH 35mm for high arches or high instep.

LOW+ insole LOW+ Severe Flat Feet LOW insole LOW Mild Flat Feet MED insole MED Normal Arches HIGH insole HIGH High Arches
Arch height 29mm
1.1"
31mm
1.2"
33mm
1.3"
35mm
1.4"
Support level Firm Moderate Balanced Max
Medial lift +6.5mm +6mm +4mm +4mm
Lateral base 4mm 4mm 4mm +6mm
Correction ← Inward rolling ← Inward rolling ↕ Neutral → Outward rolling
Best for Severe flat feet · heavy overpronation · X/O legs Mild flat feet · standing all day · shin splints Normal arches · running · gym · daily comfort High arches · plantar fasciitis · supination
View LOW+ → View LOW → View MED → View HIGH →
LOW+ insole LOW+

Severe Flat Feet

Arch height 29mm 1.1"
Support Firm
Medial lift +6.5mm
Lateral base 4mm
Correction ← Inward rolling
Best for Severe flat feet · heavy overpronation · X/O legs
View LOW+ →
LOW insole LOW

Mild Flat Feet

Arch height 31mm 1.2"
Support Moderate
Medial lift +6mm
Lateral base 4mm
Correction ← Inward rolling
Best for Mild flat feet · standing all day · shin splints
View LOW →
MED insole MED

Normal Arches

Arch height 33mm 1.3"
Support Balanced
Medial lift +4mm
Lateral base 4mm
Correction ↕ Neutral
Best for Normal arches · running · gym · daily comfort
View MED →
HIGH insole HIGH

High Arches

Arch height 35mm 1.4"
Support Max
Medial lift +4mm
Lateral base +6mm
Correction → Outward rolling
Best for High arches · plantar fasciitis · supination
View HIGH →

← Swipe to compare →

Still not sure which level is right for you?

Take the 60-second Comfort Quiz →

Arch Support Insoles FAQ

How do I choose the right StepAlign insole?

Start with your arch type. Choose LOW+ 29mm for low or flat arches, MILD 31mm for mild flat feet, NORMAL 33mm for typical arches, and HIGH 35mm for high arches or high instep. If you are unsure, use the fit quiz before ordering.

What are arch support insoles used for?

Arch support insoles are used to add structured contact under the midfoot inside shoes. They can help sneakers, boots, work shoes, and casual footwear feel more supportive during standing, walking, commuting, and daily movement.

Do StepAlign insoles fit most shoes?

Yes. StepAlign insoles use trim-to-fit edges and are designed for most sneakers, boots, work shoes, trainers, and casual footwear. Remove your original shoe insole first, then trim StepAlign gradually using it as a guide.

Which StepAlign model is best for flat feet?

LOW+ 29mm is the firmest StepAlign profile and is designed for low or flat arches. MILD 31mm may feel better if your arch has some visible curve but still sits lower than typical.

Which StepAlign model is best for high arches?

HIGH 35mm is StepAlign’s tallest profile and is designed for high arches or high instep. It helps create fuller contact under a taller arch curve inside daily shoes, boots, and active footwear.

Are StepAlign insoles medical devices?

No. StepAlign insoles are daily comfort and shoe-fit support products. They are not intended to diagnose, treat, cure, or prevent any disease. For persistent pain, injury, or medical conditions, consult a licensed medical professional.