Betties360 Since 2005, Betties360 has provided students in the Portland community access to outdoor activities and life-skill training for free. Our mission is to inspire confidence, well-being and community in cisgender girls, female-identifying and non-binary youth through skill-building, non-traditional physical activity, and outdoor adventure. What’s a bettie? [bet-tee] n. plural: bet-ties. A girl in action sports; a girl skateboarder or snowboarder. See also: courage, strength, tenacity, adventure.