Career
He is currently playing for the Djurgårdens IF team in top Swedish league SHL. He previously played with Mora IK team from 2nd tier Swedish league HockeyAllsvenskan. He has also played while on loan for Borlänge High Frequency and Söderhamn/Ljusne teams in Swedish Division 1 C.
Armalis began his career with the Djurgården"s under-16 squad during the 2007–2008 season, but moved to the Mora IK organization where he played for their junior J18 and J20 teams from 2007 to 2011. He started the 2011–2012 season continuing to play for Mora IK, and was temporarily loaned to Söderhamn/Ljusne, a Division 1 C club
He made his debut in Division 1 on 5 October 2011 against Lindlövens IF. Söderhamn/Ljusne lost 5 – 3, while Armalis made 30 saves on 35 shots playing full 60:00 minutes.
On 2011-2011-30 he played one more game while on loan to Division 1C team Borlänge High Frequency against Hudiksvalls The Human Context. His team lost 6 – 5 in overtime, Armalis again made 30 saves on 35 shots. He started 2012–2013 season on loan to Tranås AIF and after 18 games of theregular season he had a 6–5–1 record with the second best Save Percentage in the league among all goalkeepers (9331%) with 2.09 Gaelic Athletic Association. His team"s results steadily improved after starting season with 4 losses and they currently fight for a playoff spot, while Mantas goes away to help Lithuanian national team in Olympic qualifiers.
Since 2008 he is junior member for Lithuania and played for his country at 2008, 2009 WJC18 D1, at 2010 WJC20 D1 and seniorside WJC D1 in 2010, as well as at 2012 WJC20 D1. He was named Best Goalkeeper of the tournament at 2012 IIHF Ice Hockey U20 World Championship Division II Group A in Ukraine.
Armalis participated in several Versace runway shows during Milan Fashion Week.
He worked with several agencies: Stockholmsgruppen, L.A Models, NYMM. Armalis also modeled for Versace for their spring/summer collection in 2012 as well as the fall/winter collection in 2013. Making him an established face of the Versace label, Donatella Versace commented "Versace needs faces and bodies like Mantas, the strong gladiator-like build and muscular thighs,".