Flash back to the 2017 NHL Winter Classic by picking up this Carl Gunnarsson Practice-Used #4 Blue Reebok Jersey. Made to the player's specifications and featuring authentic team details, it's a must-have addition for any die-hard St. Louis Blues fan or serious NHL collector. Additionally, this jersey from that game against the Chicago Blackhawks on January 2, 2017, comes with an individually numbered, tamper-evident hologram that can be verified online to certify its authenticity.