Altogether, the upgrades are focused on making the already cushy Ghost 15 road-running shoe even cushier and lighter than before. To do that, the Brooks Ghost 16 steals a millimeter from the ...

It's got an engineered mesh upper and a fairly fat midsole made up of Brooks' nitrogen-infused DNA LOFT v3 foam (the Ghost 15 used v2), now atop the company's proprietary RoadTack rubber.

These shoes have a 24mm heel stack and an 8.5-ounce weight, which was mid-range compared to other sneakers we tested, but lighter than the Brooks Ghost 15, making it easier to move around in.