Merrell has slimmed down and streamlined the standard. Inside, a nylon plate is sandwiched between two layers of a new nitrogen-injected supercritical foam, for a midsole that mimics a car’s ...

The foam midsoles on these shoes are moderate and extremely light (barely heavier than the Merrell Skyfire 2 which is their lightest shoe) with no carbon plate to make them stiff or weigh them down.

The Merrell MQM 3 GTX features a new Vibram TC5+ outsole with 5mm lugs, also racking in 100% recycled laces and webbing, 100% recycled mesh lining and a 50% recycled EVA foam insole. There’s ...