Official West Ham United 2021–22 home football jersey, manufactured by Castore. Features the club’s iconic claret (burgundy) body with contrasting light blue sleeves and white trim on the crew neck collar and sleeve cuffs. Prominently displays the 'betway' sponsor logo in bold white lettering across the chest, and the official West Ham United crest—featuring crossed hammers within a shield—on the left breast. The right sleeve bears the Premier League patch (green circular emblem), while a small Castore brand tag is visible at the lower hem. Constructed from lightweight, breathable performance fabric with moisture-wicking properties for on-pitch comfort. Ideal for matchday support, casual streetwear, or fan collectibles, this jersey blends authentic club identity with modern sportswear aesthetics. Designed for unisex fit, it suits fans of all ages seeking premium licensed apparel.