The upper is made using GORE-TEX fabric, which boasts the world’s highest level of waterproof breathability. Covering the scuff-prone front foot area and heel with 1.6 mm thick Suede Leather provides just the right level of firmness and an outstanding resistance to wear and tear. The area from the toes to the heel is strengthened with a rubber rand, further improving the shoes’ durability. Made with Montbell's original TRAIL GRIPPER sole, which has shown outstanding gripping strength even on wet rocks and wooded trails. This model was previously known as the Tuolumne Boots or Tuolumne Boots Leather.