Teva Men's Terra Fi Outdoor Technical Sandal 69% Textile, 31% Synthetic Imported Rubber sole Our Spider Original rubber is made t o grip like crazy in wet environments. A nylon shank keeps the foot stable and in control Multiple poin ts of adjustment allow for the perfect fit Microban zinc-based anti-microbial treatment keeps the stink down A soft Shoc Pad in the heel gives you serious shock absorption