Samurai Insoles Ninjas - Orthotic Arch Support Shoe Inserts for Plantar Fasciitis and Common Foot Pain Relief

Yes. Ninjas are orthotic arch support shoe inserts designed to reduce overpronation — a common contributor to plantar fasciitis. By improving foot alignment and reducing strain on the plantar fascia, they support relief in many users.

Yes. While Ninjas can relieve plantar fasciitis symptoms, they can also help relieve the symptoms of many other common foot conditions. Because Ninjas help comfortably control overpronation, they may also provide relief for heel pain, heel spurs, flat feet, fallen arches, posterior tibial tendonitis, peroneal tendonitis, Morton’s neuroma, hammertoes, bunions, shin splints, knee pain, hip pain, and back pain caused by overpronation.

Samurai Insoles Ninjas work great in almost any pair of sneakers, casual shoes, boots, or dress shoes that have a removable factory insole.

Unlike soft foam insoles that flatten quickly, Ninjas are durable orthotic arch support shoe inserts that address faulty mechanics like overpronation.

Most people adjust within a few days of wear. If your feet are sensitive, we recommend starting slow: wear your Samurai Insoles for about an hour on the first day, then remove them.

Each day after that, add one more hour of wear until you’re comfortably hitting 8 consecutive hours.

If your feet feel tired or sore at any point (it’s rare, but it happens), just take them out, give your feet a break, and try again the next day for the same amount of time—then keep building from there.

Yes. All Samurai Insoles products are backed by a 60-day guarantee.

You can wear them and, if they’re still not right for you, we’ll gladly accept a return.

We want you to actually live in your Samurai Insoles for up to 60 days.

If they’re not everything you hoped for, just email us at support@samuraiinsoles.com.

We’ll send you a free return label and get you a full refund—no stress, no hoops to jump through.

Easy—free shipping is included with every Samurai Insoles order shipped within the continental U.S.

We ship straight from our facility in the US, and you’ll usually have your insoles within 4–6 business days, depending on where you live.

Need to make a return? No worries—we’ll send you a free return shipping label too.

Absolutely!

As soon as your Samurai Insoles ship out, we’ll send you a confirmation email with your tracking number.

Just a heads-up—it can take 24–48 hours for tracking to update once your order hits the road.

They sure do.

Samurai Insoles Ninjas are designed to comfortably support your arch and help correct the effects of foot overpronation—a common cause of discomfort in the feet, legs, and even lower back.

That built-in, springy support can help relieve symptoms associated with:

• Plantar Fasciitis

• Flat Feet

• Heel Spurs

• Shin Splints

• Ball of the Foot Pains

• Knee Pain

• Tired, achy legs from long days on your feet

By improving alignment and reducing strain on your arches, Samurai Insoles Ninjas help your feet move the way they’re meant to—so you feel better with every step.

Samurai Insoles Ninjas come with a one-year warranty against breakage, so you’re covered if anything goes wrong.

That said, many customers report using their Ninjas for well beyond a year—with no noticeable loss of support or comfort.

They’re built to go the distance, step after step.

Samurai Insoles Ninjas are made from a single, powerful component: a springy, orthotic-grade polypropylene shell.

There’s no foam, no padding—just pure structural support designed to sit discreetly under your shoe’s existing insole.

This minimalist design keeps them low-profile, lightweight, and incredibly effective at targeting foot pain at its source.

Yes! Samurai Insoles Ninjas are proudly designed and manufactured in the USA—not mass-produced overseas like many over-the-counter insoles.

Each pair is crafted in a professional orthotic laboratory to meet our exact specifications, using the same standards trusted by healthcare providers.

Overpronation places extra strain on the plantar fascia, often leading to plantar fasciitis, heel pain, and heel spurs. Supporting the arch helps reduce this stress.

Yes. Excessive pronation collapses the arch, which can result in flat feet or fallen arches. Samurai Insoles Ninjas provide arch support to improve alignment.

Poor foot mechanics caused by overpronation can strain tendons, contributing to common conditions like posterior tibial tendonitis and peroneal tendonitis.

Overpronation can increase stress on the forefoot, worsening the symptoms of Morton’s neuroma, bunions, and hammertoes.

Yes.  Overpronation alters body alignment and can contribute to shin splints, knee pain, hip pain, and even back pain caused by poor foot mechanics.