Air Jordan 4 Retro OG SP Nigel Sylvester "Brick by Brick" is a unique collaboration of the iconic AJ4 model with legendary designer Nigel Sylvester. This limited edition model attracts attention with its unique style, which combines a classic silhouette with a bold, street character. The upper is made of high-quality leather and synthetic materials, with a distinctive "worn" finish that gives the shoe a unique, industrial look. The lacing system with plastic wings, mesh panels and classic AJ4 details ensure stability and comfort of wearing. The model is equipped with an Air-Sole cushion in the front and rear of the sole, guaranteeing cushioning and comfort throughout the day of use. A rubber outsole with AJ4 tread provides traction on a variety of surfaces, while unique branding details emphasize the limited nature of the collaboration.