Nike NFL San Francisco 49ers Brock Purdy #13 Black Alternate Jersey

This authentic Nike NFL on-field jersey features the San Francisco 49ers' alternate black uniform design for quarterback Brock Purdy (#13). Constructed with Nike's Vapor Untouchable technology, it offers lightweight breathability and moisture-wicking performance for game-day intensity. The bold red numerals (13 front and back), '49ERS' wordmark, and 'PURDY' nameplate are heat-pressed with premium tackle twill for durability and a pro-level finish. Signature details include the official NFL shield at the V-neck, yellow Nike Swoosh logos on shoulders, and iconic red-and-black striped sleeve cuffs. The jersey includes official NFL and Nike licensing tags, size M label, and is designed for optimal fit and movement. Ideal for fans seeking authentic on-field replica apparel, this piece blends professional sports functionality with streetwear appeal—perfect for gameday tailgates, casual wear, or collector display. The high-contrast black/red/yellow color scheme delivers maximum visual impact while maintaining team identity.