574 - 'Sea Salt'New Balance 574 'Sea Salt' The 574 was built to be a reliable shoe that could do a lot of different things well rather than as a platform for revolutionary technology, or as a premium materials showcase. This unassuming, unpretentious versatility is exactly what launched the 574 into the ranks of all time greats. As hybrid road trail design built on a wider last than the previous generations narrow racing silhouettes, the 574 offered a uniquely