EVA,Manmade,Neoprene,Nylon,RubberImportedRubber soleJersey knit lining and neoprene foam backer for added protection. Soft nylon toe post webbing. Non-slip EVA footbed and compression molded EVA midsole for comfort and stability. Uses the deeper, anatomically contoured Drop-in Comfort to fit better and feel great. Non-marking rubber or gum rubber outsole with a coral reef lug design. Measurements: Weight: 8 oz Product measurements were taken using size 9, width D – Medium. Please note that measurements may vary by size. Weight of footYou will treasure this OluKai? Ohana Sandal like your own ‘Family.’Part of the Makai (Toward The Ocean) Collection.Water resistant, quick drying and multi-purpose sandal.Synthetic leather water resistant upper strap with OluKai logo.