from a shoe would mean a faster marathon time by up to 3 minutes. One shoe designed to mimic barefoot running weighs a scant 5.3 oz. Place the shoe on a flat surface and look at how the sole rests […]
from a shoe would mean a faster marathon time by up to 3 minutes. One shoe designed to mimic barefoot running weighs a scant 5.3 oz. Place the shoe on a flat surface and look at how the sole rests […]