The Omnium sandal is versatile enough for all of your adventures. Quick-drying synthetic upper. Quick-release buckle for easy entry/exit. Integrated toe-protection. Encapsulated Shoc Pad in the heel. Microban zinc based antimicrobial protection. Soft, compression molded EVA midsole. Non-marking, Spider Rubber outsole. Spider Rubber: A patented process produces Tevas most versatile rubber compound that successfully blends high friction and good durability, and performs exceptionally well on wet and dry terrain. Shoc Pad: A blended polyurethane/EVA unit in the heel cup that evenly transfers the energy of impact throughout the footbed and away from the heel. This energy return actually provides greater spring with each forefoot push-off. Microban Zinc: An environmentally friendly zinc technology that fights the growth of odor causing bacteria and fungus. Built-in antimicrobial product protection provides continuous odor control that wont wash off or wear away. Measurements: Weight: 12 oz Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.