Your Shoes Might Be Sabotaging Your Feet—and Your Performance

Modern footwear—especially narrow, stiff, or elevated-heeled shoes—is increasingly being recognized as a primary driver of foot deformities like bunions (hallux valgus), which affect nearly 1 in 4 adults under 65. A landmark longitudinal study found that women who wore narrow or very narrow toe-box shoes in early adulthood were up to 2.7 times more likely to develop bunions later in life. These structural changes are not just cosmetic, they interfere with the big toe’s ability to stabilize the arch and generate force during walking, running, and lifting. Over time, chronic joint misalignment reduces foot strength, restricts range of motion, and increases the risk of pain and injury throughout the kinetic chain.

Performance Starts at the Ground Up

Footwear-induced deformities like bunions don't just hurt—they limit your athletic potential. Biomechanical studies have shown that tight, rigid shoes inhibit toe splay and natural foot loading patterns, directly impairing balance, acceleration, and overall movement efficiency. A 2023 global prevalence meta-analysis confirmed the high incidence of hallux valgus in active populations and its correlation with footwear habits. Advanced computer simulations have demonstrated how poor-fitting shoes cause abnormal force concentrations across the big toe joint—accelerating tissue breakdown and joint degeneration (Chen et al., 2020). Choosing shoes with wide toe boxes, zero-drop platforms, and flexible soles not only prevents deformities but also restores natural foot function—leading to better strength transfer, improved posture, and higher performance output on the field or in the gym.

Minimalist Shoes: A Return to Form and Function

Switching to minimalist or barefoot-style shoes isn’t just a footwear preference—it’s a performance upgrade rooted in science. Studies show that minimalist footwear improves foot intrinsic muscle strength, enhances proprioception, and promotes more efficient, natural gait mechanics. In a 2021 randomized controlled trial, participants who wore minimalist shoes for at least 70% of their daily shoe time over six months experienced a remarkable 57% increase in foot strength, reaching levels comparable to lifelong barefoot or minimalist shoe users. These gains aren't just isolated to the foot—research also shows that minimalist shoe wearers exhibit greater activation of the glute medius and maximus during walking and running, likely due to the restoration of natural mechanics and increased ground feedback. By allowing the toes to splay, the foot to flex, and the body to move naturally from the ground up, barefoot footwear supports better ankle mobility, hip engagement, and energy transfer—key components of speed, strength, and injury prevention for athletes and active individuals alike.

Notice for Special Populations

While barefoot-style shoes can deliver powerful benefits, they may not be a perfect fit for everyone. Individuals with certain health conditions or structural issues may experience discomfort, instability, or even injury if they transition too quickly without proper guidance. Populations that may not do well in minimalist footwear include:

  • People with Severe flat feet or Rigid high arches should be accompanied by exercise and soft tissue work.

  • Individuals with Diabetes-related neuropathy, due to reduced foot sensation 

  • Those with Advanced arthritis in the feet or ankles

  • Anyone recovering from recent foot or ankle injuries, surgery or fractures

  • People with balance disorders or vestibular conditions

Before switching, if you have any of these specific cases, it is important to work with a podiatrist, physical therapist, or movement coach to assess foot strength, gait mechanics, and any existing dysfunctions. A gradual transition strategy—starting with short walking bouts and foot strengthening exercises—can help prevent issues while still reaping the long-term benefits.

About the author:  Will Caetano, Aion Shoes Founder

Hey, I’m Will Caetano—founder of Aion Shoes, 10+ year personal trainer, and former professional baseball player. My journey with foot health started out of frustration and pain. I broke both ankles back in high school—junior and senior year—and even then, I had a gut feeling that strengthening my feet could’ve changed the outcome. But like many athletes, I put it off... and paid the price. Over the next few years, I battled everything from recurring ankle sprains to nagging plantar fasciitis. It wasn’t until I fully transitioned to barefoot-style shoes that I finally started to rebuild what I had lost.

The moment I switched, it hit me how weak and underdeveloped my feet and ankles had become. Just like the studies show, once my feet started working naturally again, the benefits traveled up the chain—my glutes fired better, my balance returned, and my athletic performance improved. But there was one big problem: the shoe options sucked. It felt like the only choices were goofy toe shoes or clunky, unsightly barefoot designs that didn’t work outside the gym, let alone with a decent pair of jeans.

That’s why I created Aion Shoes—a barefoot shoe brand built for athletes, movers, and everyday people who care about performance and style. We’re here to break the mold: bringing elegant, minimalist designs with fresh colors, breathable flyknit, and premium materials that make barefoot training part of your everyday lifestyle. Our flagship model, the Aion Cloud, is a versatile slip-on barefoot shoe designed for all-day comfort, with a truly wide toe box that doesn’t look like a clown shoe and zero-drop support that lets your body move the way it was meant to. Whether you’re lifting in the gym, walking on city pavement, or pairing them with jeans and a tee, the Cloud lets you go barefoot—without looking like you're trying to.

We believe stronger feet build stronger athletes. And with Aion, you don’t have to compromise form, function, or fashion to get there.



Note from DIAKADI: This post is shared to offer one perspective on barefoot footwear. DIAKADI is not a paid partner with Aion and can’t speak to or guarantee their products—just passing along info for you to consider.