To provide a sandal having a high design effect in which sand, etc., is hardly stuck, resistance against water is small when used in water, a hot and sweaty state is hardly generated in a foot sole, an acupuncture effect is obtained, and a projecting object is prevented from penetrating.

Each of sandals 1 comprises an outer frame 9 forming the outline of a sole 3 and an inside member 15 formed of bar-like or plate-like crosspiece elements 13 installed in the outer frame 9 at specified intervals 11. Also each 21 of the sandals 21 comprises a plurality of tilted hole parts 27 in a sole 3 so that bottom openings 23 are horizontally displaced from top openings 25. In each 31 of the sandals, opening parts 33 partitioned by the outer frame 9 and the inside member 15 are formed aslant so that the bottom openings 23 are horizontally displaced from the top openings 25.