Originally developed by NASA in the 1960s as a shock-absorbing material that can relieve pressure for pilots, memory foam (also known as polyurethane viscoelastic foam) is a dense material that ...

Although these are flat, don’t be fooled—they’re made with dense, cushy foam for adequate shock absorption. There’s also a deep heel cup to encourage ankle stability, which is a must for flat feet.

UTC Fulton's insoles aren't flimsy $10 rubber pads—they're multi-layered, bio-based cushions that mold to your feet over time ...

Our favorite budget recommendation is the Spigen Tough Armor case, with its built-in kickstand and shock-absorbing foam at a low cost. When you buy through our links, Business Insider may earn an ...