Brooks Cascadia 17 - Women'sFind out why the Cascadia has been loved by trail runners for years. The new men'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. Sustainability 54. 2 % Recycled materials in the