Summit Series™ Athlete tested, expedition proven: the Summit Series™ represents the world’s finest alpine equipment, reimagined. Designed as the most elite equipment for exploring the world’s harshest environments, this pinnacle line is crafted on three guiding principles: Respect. Inspire. Evolve. This piece has been tested by world-class athletes in the wild to ensure it delivers the right amounts of durability, practicality and performance at the right moments.