[4] On February 16, 2016 he was named the Big Ten's First star of the week after he netted two goal and two assists against Ohio State.
At the conclusion of the Gophers season and his collegiate career, Kloos as an unsigned free agent agreed to terms with home state club, the Minnesota Wild on a two-year entry-level contract on March 29, 2017.
[6] He immediately joined AHL affiliate, the Iowa Wild to play out the remainder of the 2016–17 season on an amateur try-out basis.
[10] In the 2018–19 season, Kloos continued in the AHL, leading the Iowa Wild in scoring with 12 goals and 30 points in 34 games.
Kloos opted to embark on a career away from North America, agreeing to a one-year contract with Russian outfit, Torpedo Nizhny Novgorod of the Kontinental Hockey League (KHL), on June 8, 2020.
As a free agent, Kloos moved to Sweden agreeing to a two-year contract with SHL club, Leksands IF, on June 4, 2021.