Tsubo - Entom (Dark Chocolate/Tumeric) - Men's: Tsubo means pressure point in Japanese and is designed for the fashion conscious in mind. Perforated suede and leather upper for style and comfort. Hook and loop closure system offers customization. Leather lined footbed. Rubber sole to give cushioning and flexibility. Rubber bubbles for shock absorption and skid resistance. These rubber cushion oval bubbles are designed on the sole for various pressure points of the foot Tsubo's signature mark.