New Balance is making a serious play for basketball — and fashion — with the upcoming P400. Expected to release around February 11, 2026, this isn't just another performance shoe. With a Junya Watanabe collaboration already generating buzz in the fashion world, the P400 is positioned to be a legitimate lifestyle crossover in the same way the New Balance 550 transformed from a forgotten retro into one of the most popular sneakers on the planet. What We Know About the New Balance P400 New Balance