7 Best Insoles for Flat Feet—Tested by Physical Therapists
Our experts have tested and reviewed each product to help you find the best insole to relieve your flat feet-related pain and improve your posture.


Updated November 7, 2023.

Insoles can help relieve pain, redistribute pressure, and correct any malalignment in the leg due to different types of flat feet. However, because of the sheer number of insoles on the market, making a choice can be stressful. To help, we’ve narrowed down the list to include only the best types of insoles for flat feet.
7 Best Flat Feet Insoles According to Physical Therapists
1. Overall Best: Upstep Flat Feet Custom Orthotics
2. Best for Standard Volume Shoes: Protalus T-100 Insoles
3. Best for Active Lifestyle: Bilt Labs Flat Feet Custom Orthotics | Active
4. Best for Loose-Fitting Shoes: SOLE Softec Ultra Insoles
5. Best Budget: Tread Labs Pace Insoles
6. Best Flexible: FitMyFoot Full-Length Insoles
7. Best for Moderate-Fitting Shoes: Superfeet BLUE Insoles
Why Should You Wear Insoles for Flat Feet?
Insoles for flat feet can provide much-needed support and comfort for those who experience pain or discomfort caused by flat feet. These orthotics can help to distribute pressure evenly across the foot, reducing the strain on specific areas and preventing further damage and overuse injuries. Wearing insoles can also:
- Improve your posture and alignment
- Improve foot and body alignment
- Enhance shock absorption and support arches
- Improve balance and stability
What to Look for in Insoles for Flat Feet
- Arch support: Look for insoles with good arch support to distribute pressure evenly across your foot. This feature is essential for those with flat arches, and it helps absorb shock when walking.
- Deep heel cup: Insoles with deep heel cups are beneficial for individuals with flat feet, as they provide stability, reduce overpronation, and alleviate heel pain. They can also enhance standing balance.
- Durable materials: Choose insoles made of durable materials like EVA, polyurethane, cork, rubber, foam, or gel to ensure they can withstand daily wear and tear, preventing the need for frequent replacements.
- Comfort: Seek insoles that are comfortable to wear for extended periods. Comfortable insoles reduce pain, friction, and pressure areas on your feet, making them a more attractive option.
How We Selected and Tested the Best Insoles for Flat Feet
To select the best insoles for flat feet, we conducted extensive research and testing. We looked at a range of factors, including the level of support provided, the materials used, and the overall design of the insole. We also tested each insole to ensure that it was comfortable, durable, and effective at reducing pain and discomfort.
Ready to Step Up Your Comfort Game?
While all the above insoles will produce some results, Upstep insoles are the best insoles for flat feet as they are custom-made by the top podiatrists and specifically designed to fit the wearer, allowing you to receive the exact support you need.
Upstep Flat Feet Custom Orthotics' custom fit, excellent quality, and craftsmanship provide the best value for money. It is my professional opinion that there is no going wrong with Upstep's insoles for flat feet.
Meet the Expert
Babafemi Adebajo is a qualified physiotherapist and is currently pursuing a Master's degree in the same discipline. Babafemi has over ten years of experience writing for health, physical therapy, and podiatry niches.