![MBT Fora Silver ($245. mbt.com) with dramatically curved rocker-bottom sole simulates walking barefoot on sand and engages core muscles. MBT, which stands for Masai Barefoot Technology, pioneered "natural instability." (Bill Hogan/Chicago ... MBT Fora Silver ($245. mbt.com) with dramatically curved rocker-bottom sole simulates walking barefoot on sand and engages core muscles. MBT, which stands for Masai Barefoot Technology, pioneered "natural instability." (Bill Hogan/Chicago ...](https://c8.alamy.com/comp/2F0JF3A/mbt-fora-silver-245-mbtcom-with-dramatically-curved-rocker-bottom-sole-simulates-walking-barefoot-on-sand-and-engages-core-muscles-mbt-which-stands-for-masai-barefoot-technology-pioneered-quotnatural-instabilityquot-bill-hoganchicago-tribunemctsipa-usa-2F0JF3A.jpg)
MBT Fora Silver ($245. mbt.com) with dramatically curved rocker-bottom sole simulates walking barefoot on sand and engages core muscles. MBT, which stands for Masai Barefoot Technology, pioneered "natural instability." (Bill Hogan/Chicago ...
![Great! Rheinmetall Panther KF51: Unrivaled new MBT with World's First Digital Battle Tank Concept - YouTube Great! Rheinmetall Panther KF51: Unrivaled new MBT with World's First Digital Battle Tank Concept - YouTube](https://i.ytimg.com/vi/6420vDCCg-A/maxresdefault.jpg)