New Balance 574 Trainers Nightwatch Green / Sea Salt. As a hybrid road/trail design built on a wider last than the previous generations narrow racing silhouettes, the 574 offered a uniquely versatile mix of new, different, uncomplicated, rugged, durable, and comfortable that was adopted as a closet staple across the globe. Thats why today, the 574 is synonymous with the boundary defying New Balance style, and worn by anyone.