From Hari Mari, the Men's Fields Flip Flop Sandals feature: Nubuck upper with leather lined straps Boat-safe outsoles provide extra grip with 100% rubber traction Mighty durable, lightweight, and crazy comfy, these tried-and-true sandals take you seamlessly from pier to patio, beach to basement. MemoryFoamToe™ Post eliminates break-in period for instant comfort Arch support and memory foam footbeds support everyday exploration Gentle heel cupping keep feet from fishtailing and ensure a snug fit Imported.