StroStrobel + cement construction provides superior flexibility and lightweight durability. Nobuck unlines uppers. Mesh-covered, removable, memory foam footbed with EVA heel up. EVA midsole designed for additional shock absorptio and promotes all day comfort. Rubber outsole with non-marking, slip-resistant, lightfast properties.bel + cement construction provides superior flexibility and lightweight durability. Nobuck unlines uppers. Mesh-covered, removable, memory foam footbed with EVA heel up. EVA midsole designed for additional shock absorptio and promotes all day comfort. Rubber outsole with non-marking, slip-resistant, lightfast properties.