The product is a West Ham United Umbro Pro Training Sleeveless Jersey in men's size large, featuring a gray color design. It is officially licensed fan apparel for soccer enthusiasts who support the West Ham United team. Made by the brand Umbro, this jersey is perfect for fans looking to show their team spirit during training sessions or casual games. The sleeveless design makes it ideal for warmer weather, while the team's logo and colors add a touch of team pride to the outfit.