Designed with retro-inspired aesthetic and performance in mind, New Balance presents the BB550SN1. Inspired by 80s basketball and the streetwear that defined that generation - these are made for those who recognize authenticity. Upper, Overlays, Underlays, Perforated Side Walls, Sole. New Balance BB550SN1 White/Royal. This shoe boasts a lace closure, an upper made out of leather, synthetic, and mesh, a cushioned midsole that improves its coziness, and a rubber outsole that enhances the traction of the shoe. The New Balance 550 White Blue is a redefined version of the classic basketball shoe released by New Balance in 1989. The rejuvenated New Balance 550 White Blue was released in December 2020.