Mason Singer Aguirre (born November 10, 1987, in Duluth, Minnesota) is an American snowboarder.
He turned pro at fifteen and his parents moved their family to Mammoth Lakes, California to pursue his snowboarding career.
He is currently sponsored by Nike and D Howlett Boards,[2] K2 Snowboards,[3] Smith Optics, SoBe, DVS, Windells, Fender Guitars, Mammoth Mountain, Val Surf, The Collection, and R.E.D.
Aguirre is a member of the Frends Crew (spelled without the "i" to emphasize the collective nature of the group) made up of snowboarders Kevin Pearce, Danny Davis, Mikkel Bang, Scotty Lago, Keir Dillon, Jack Mitrani, Luke Mitrani, Eric Jackson, and the Swartz Brothers.
Frends is group of riders who turned their initial friendship into a formal alliance in 2007 to move the sport away from its recent competitive and business focus and return the sport to its grass roots, collegial beginnings.