words_Brandon Richard New colorways of New Balance's Sonic Welded 574 are due out next spring. For those unfamiliar with Sonic Weld technology, it's a process in which materials on the shoe are welded together as opposed to being stitched. These three new pairs feature clean single-toned grey, blue, and burgundy suede uppers. You can expect to see these released in the coming months. via HypeBeast