The Nigel Sylvester x Air Jordan 4 Retro OG SP 'Brick by Brick' is a collaboration between professional BMX rider Nigel Sylvester and Jordan Brand, celebrating Sylvester's journey and the streets of New York City where he honed his skills. The sneaker features a vibrant Firewood Orange suede upper, symbolizing the city's iconic brick buildings, complemented by Sail and Cinnabar accents.