If you’ve ever swapped complaints midrun about your gear—“Who actually wants removable bra pads?”; “Why don’t these shorts have more pockets?”—you know the most common gripe of all: Why is it so ...

Founded in Osaka in 1906, Mizuno built its reputation the old-fashioned way: meticulous Japanese craftsmanship, obsessive attention to detail, and a midsole technology so distinctive that runners who ...