Brooks Cascadia 17 Women’s- size 8.5 - limited edition - color: Oyster/Blackened Pearl/Purple - like new condition Find out why the Cascadia has been loved by trail runners for years. The new women's Cascadia 17 continues the tradition of our premier mountain trail-running shoe, providing stability, soft cushioning, and protection from the elements. The latest updates include enhanced all-terrain stability, improved traction, and lightweight cushioning — all designed to keep you comfortable mile after mountainous mile. Trail Running Enhanced Traction All-terrain Stability Trail Protection