Tsukumo’s Thoughts on the Beach Sandal Going after comfortability Passion for the material “Quality” The sole is synthetic rubber, the thong is natural rubber, and the solidity is 50%. Sponge rubber that’s light, flexible, sturdy, and has outstanding cushioning qualities. Passion for ease of walking “Shape” Compared to flat (same thickness throughout) sandals, tapered (low … Continue reading What’s sandal