This is an authentic Nike NFL game-style alternate jersey for the San Francisco 49ers, featuring running back Christian McCaffrey (#23). The jersey is constructed from lightweight, breathable Dri-FIT polyester with heat-pressed, stitched-number appliqué in bold red for high durability and visual impact. Front displays '49ERS' in red above the large #23, while the back features 'MCCAFFREY' in red block lettering above the matching number. Signature design elements include red shoulder accents, three red stripes on each sleeve (with black inner lining), and yellow Nike Swoosh logos on both sleeves. The V-neck collar includes an official NFL shield tag, and a jock tag at the hem confirms size (Medium) and authenticity. Ideal for fans seeking on-field accuracy and premium fan apparel, this jersey offers a sleek, modern aesthetic perfect for gameday, streetwear layering, or sports-themed casual outfits. Its black base with vibrant red contrast delivers strong team identity while maintaining versatility for everyday wear across fall and winter seasons.