Fanatics is fully stocked on officially licensed William Karlsson NHL sweatshirts and hoodies so every fan can stay comfortable while supporting their team. Snag a new William Karlsson NHL hoodie to add to your wardrobe and stay warm throughout the year. From NHL pullover hoodies and crewneck sweatshirts to zip-up hoodies and more, Fanatics.com offers an unbeatable selection of NHL sweatshirts and more cold weather gear. NHL fleece and hoodies are available at Fanatics in a variety of styles and sizes for all fans. Check back for new additions so you can grab an authentic William Karlsson NHL sweatshirt for every event.