The wide-cut leg of the Mammut Highland Wide Pant moves freely, and Primeflex fabric stretches four ways to follow each step. A water-repellent finish treats the fabric of these hiking pants, so light moisture beads up and rolls off. Recycled polyester makes up part of the main fabric and all of the lining. What Our Gearhead(R) Experts Are Saying:"I pulled the integrated belt snug for a steep climb, then loosened it at the rest stop. One belt covered both fits."