.bisy-dropdown { margin: 0; } .bisy-dropdown details { border-bottom: 1px solid #e5e5e5; padding: 14px 0; } .bisy-dropdown summary { font-size: 16px; font-weight: 600; cursor: pointer; list-style: none; } .bisy-dropdown summary::-webkit-details-marker { display: none; } .bisy-dropdown summary:after { content: "+"; float: right; font-weight: 600; } .bisy-dropdown details[open] summary:after { content: "−"; } .bisy-content { padding-top: 10px; font-size: 14px; line-height: 1.6; color: #333; } .bisy-content ul { padding-left: 20px; margin: 0; } .bisy-content p { margin: 0; } .bisy-intro { border-bottom: 1px solid #e5e5e5; padding: 14px 0; margin: 0; } .bisy-intro-title { font-size: 16px; font-weight: 600; margin: 0; } .bisy-intro-text { padding-top: 10px; padding-bottom: 16px; font-size: 14px; line-height: 1.6; color: #333; margin: 0; } Introduction to BIKE AIR x Nigel Sylvester x Air Jordan 4 The BIKE AIR x Nigel Sylvester x Air Jordan 4 “Brick by Brick” builds on Nigel Sylvester’s story of drive, discipline and turning dreams into something lasting. Dressed in Sail, Cinnabar, Anthracite and Muslin, this AJ4 collaboration delivers a premium leather build with standout details like floating eyestays and mesh-inspired accents, connecting classic Jordan 4 design with Nigel’s BMX culture influence. Product Details Brand: Jordan Model: BIKE AIR x Nigel Sylvester x Air Jordan 4 “Brick by Brick” Colourway: Sail / Cinnabar / Anthracite / Muslin Style Code: IQ8055-100 Release: May 2025 Features Extremely limited collaboration between BIKE AIR, Nigel Sylvester and Air Jordan on the iconic Air Jordan 4 silhouette. “Brick by Brick” theme represents the next evolution of building and sustaining your dreams. Sail, Cinnabar, Anthracite and Muslin colourway with a warm, premium lifestyle look. Premium leather upper for a clean, elevated finish. Floating eyestay details bring a distinctive update to the classic AJ4 design. Mesh-inspired accents reference the original Air Jordan 4 design language while keeping the pair fresh and modern. Strong collector appeal for Jordan 4 fans, Nigel Sylvester followers and sneaker culture enthusiasts. Fit & Sizing Fit: Standard Air Jordan 4 fit — see measurements for a good fit. Size note:Air Jordan 4s generally fit true to size for most wearers, though some may prefer going up half a size if they have wider feet or prefer extra room. Condition New with box. AUTHENTICITY GUARANTEE ✔ 100% AUTHENTIC Shop with confidence — every item is 100% authentic and backed by our money-back authenticity guarantee.