The present invention is retractable finned footwear comprising an outsole with retractable fins and a lever used to extend and retract the fins. One end of the fins is rotatably connected at back end of the outsole using fastener, while the other end is extended outside from front side of outsole. The fins can be secured at the bottom of the outsole, to facilitate the footwear suitable for walking on land. The fins can be extended from bottom of outsole by pulling the lever positioned at the back end of the outsole. The extended fins provide forward propulsive thrust to user wearing the footwear in water. After using in water, the lever can be pushed to align and secure the fins in line with the outsole. This facilitates the use of footwear both in water and land.

The present invention relates to a shoe with a superior wearing sensation that is equipped with an anti-slip structure to forward comfort and safety in a watery place, and more specifically, to an aqua shoe including an upper that covers an instep from above, an insole part that connects to the lower part of the upper and an outsole part which is integrated by adhesion with the insole part and the upper and which is supported by an outsole surface, wherein the outsole part is equipped with an anti-slip structure in which a plurality of suction parts are arranged while a suction part includes a cup that tightly contacts along the cup rim to the ground surface to provide, by being compressed, suction force and a protuberance that protrudes downward from the center of the cup.

The present invention relates to a shoe with a superior wearing sensation that is equipped with an anti-slip structure to forward comfort and safety in a watery place, and more specifically, to an aqua shoe including an upper that covers an instep from above, an insole part that connects to the lower part of the upper and an outsole part which is integrated by adhesion with the insole part and the upper and which is supported by an outsole surface, wherein the outsole part is equipped with an anti-slip structure in which a plurality of suction parts are arranged while a suction part includes a cup that tightly contacts along the cup rim to the ground surface to provide, by being compressed, suction force and a protuberance that protrudes downward from the center of the cup.

Multi-purpose footwear includes a show sole, a shoe tongue and a shoe vamp provided as a portion of a shoe upper and a paddle mounted to be displaceable to a plurality of alternative and predetermined positions with respect to the footwear.

The invention described herein is a self-cleaning footwear system comprising a sole, where a plurality of check valves are located within said sole. The plurality of check valves are preferably configured between an upper sole and a lower sole to allow debris to flow downwards but not upwards. The plurality of check valves preferably further comprise flap assemblies, where a length of flexible material preferably further comprises a semi-circular flap on one end. The flexible material is preferably a rubber-type material. The sole could be attached to normal footwear, as shown in a sandal. Alternately, the sole could be attached to any type of footwear.

The invention described herein is a self-cleaning footwear system comprising a sole, where a plurality of check valves are located within said sole. The plurality of check valves are preferably configured between an upper sole and a lower sole to allow debris to flow downwards but not upwards. The plurality of check valves preferably further comprise flap assemblies, where a length of flexible material preferably further comprises a semi-circular flap on one end. The flexible material is preferably a rubber-type material. The sole could be attached to normal footwear, as shown in a sandal. Alternately, the sole could be attached to any type of footwear.

A method of coupling a boot toe body to a fin apparatus is disclosed. The fin apparatus includes a fin body coupled to a boot coupling body. The method involves connecting a first boot connector on a first end of the boot coupling body to a first complementary boot connector on a top side of the boot toe body, and connecting a second boot connector on a second end of the boot coupling body to a second complementary boot connector on a bottom side of the boot toe body. Boot toe bodies, fin apparatuses, and systems including the boot toe bodies and fin apparatuses are also disclosed.

A method of coupling a boot toe body to a fin apparatus is disclosed. The fin apparatus includes a fin body coupled to a boot coupling body. The method involves connecting a first boot connector on a first end of the boot coupling body to a first complementary boot connector on a top side of the boot toe body, and connecting a second boot connector on a second end of the boot coupling body to a second complementary boot connector on a bottom side of the boot toe body. Boot toe bodies, fin apparatuses, and systems including the boot toe bodies and fin apparatuses are also disclosed.

A closable drainage system for a sole of a shoe, the closable drainage system including a drain configured to communicate between sole top and bottom surfaces of the sole, the drain having opposing drain upper and lower faces; at least one drainage aperture element disposed within the drain, the drainage aperture element defining a drainage channel which communicates between the drain upper and lower faces; and a movable member overlaying the drain upper face, the movable member movable over the drain upper face to provide open and closed conditions of the drainage channel; whereby in the open condition, the movable member disposes to allow passage through the drainage channel and correspondingly, between the sole top and bottom surfaces; and whereby in the closed condition, the movable member disposes to preclude passage through the drainage channel and correspondingly, between the sole top and bottom surfaces.

A closable drainage system for a sole of a shoe, the closable drainage system including a drain configured to communicate between sole top and bottom surfaces of the sole, the drain having opposing drain upper and lower faces; at least one drainage aperture element disposed within the drain, the drainage aperture element defining a drainage channel which communicates between the drain upper and lower faces; and a movable member overlaying the drain upper face, the movable member movable over the drain upper face to provide open and closed conditions of the drainage channel; whereby in the open condition, the movable member disposes to allow passage through the drainage channel and correspondingly, between the sole top and bottom surfaces; and whereby in the closed condition, the movable member disposes to preclude passage through the drainage channel and correspondingly, between the sole top and bottom surfaces.