Recycled tire soles Contoured natural rubber footbed Embedded arch support Waterproof Comfortable nylon toe thong Laser engraved ENVRO fiber straps Light and flexible at approx. 369g (13oz) Made without animals or the use of fuel powered machinery US EU MM 7-8 39/40 262 9 41/42 278 10-11 43/44 291 12 4...