There are two main types of NMD used in the UK. These are called anterior cingulotomy and anterior capsulotomy. Both cannot be reversed once they have been performed. There are reversible alternatives to NMD, such as deep brain stimulation (DBS) and vagus nerve stimulation (VNS).

The three shoes used for inspiration were the Boston Super, Micropacer, and Rising Star. The name "NMD" stands for "nomad" which the company says was the inspiration for the shoe. Adidas wanted to create a shoe for someone who was always on the move and a global traveler; the shoe debuted in New York City.

NMD shoes feature Primeknit uppers that provide new levels of strength, flexibility and stability atop Boost midsoles. Our most responsive cushioning ever, Boost delivers energy return for all-day exploration. Designed for a lifestyle without boundaries, NMD harnesses the past to define the future of footwear design.

Since the Sambas were originally designed as an indoor soccer shoe, they may not provide as much cushioning or support as shoes specifically designed for walking—but podiatrist Dina Gohil, DPM, says they're still a suitable walking shoe thanks to their durable construction.