Cotton & polyester. This Men's XL Seattle Kraken NHLPA Long Sleeve Jersey Shirt in blue is the perfect choice for any hockey fan. Officially licensed by the National Hockey League (NHL), this shirt features the team's logo and colors, making it a great addition to any fan's collection. Made from high-quality materials, this shirt provides both comfort and style, making it ideal for game days, fan events, or just showing off your team pride.