The waterproof upper from a silver-rated tannery provides comfort, durability, and keeps feet dry. 100% recycled PET lining made from recycled plastic bottles is comfortable, breathable and environmentally conscious. It has 100% recycled PET laces, padded collar for comfortable fit around the ankle, and waterproof seam-sealed construction is guaranteed to keep feet dry in any weather. The Green Rubber™ outsole made from 42% recycled rubber is designed for ascending and descending on-trail.