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Prior to Foamposites retro rebirth, the technology took to the Nike Zoom LeBron IV. Seen today is an unreleased prototype, sporting Flexiposite construction and a bright blue base. This pair differs only slightly from the released version, primarily in branding and composition.
Nike Zoom LeBron IV “Flexiposite” Prototype Nike Zoom LeBron IV “Flexiposite” Prototype Nike Zoom LeBron IV “Flexiposite” Prototype Nike Zoom LeBron IV “Flexiposite” Prototype Nike Zoom LeBron IV “Flexiposite” PrototypeSource: Zach13g of NikeLeBron.net