Shoe having an improved upper

Abstract

Shoe ( 1 ) including an outer sole assembly ( 2 ) and an upper ( 3 ), the shoe ( 1 ) extending lengthwise from a rear end ( 4 ) to a front end ( 5 ), widthwise between a lateral side ( 6 ) and a medial side ( 7 ), and height-wise from the sole assembly ( 2 ) to an upper end ( 12 ), the upper end ( 12 ) demarcating a rear opening ( 13 ), the upper ( 3 ) including a first envelope ( 14 ). The first envelope ( 14 ) includes a rear portion ( 20 ), which itself includes a lateral wall ( 21 ), a rear wall ( 22 ) and a medial wall ( 23 ), the rear portion ( 20 ) being porous or having low resistance to the passage of a fluid. The first envelope ( 14 ) includes a front portion ( 25 ), which itself includes a lateral wall ( 26 ), a front wall ( 27 ) and a medial wall ( 28 ), the front portion ( 25 ) being resistant to the passage of fluid or being impervious.

1 . Shoe ( 1 ) including an outer sole assembly ( 2 ) and an upper ( 3 ), the shoe ( 1 ) extending lengthwise from a rear end ( 4 ) to a front end ( 5 ), widthwise between a lateral side ( 6 ) and a medial side ( 7 ), and height-wise from the sole assembly ( 2 ) to an upper end ( 12 ), the upper end ( 12 ) demarcating a rear opening ( 13 ), the upper ( 3 ) including a first envelope ( 14 ), characterized in that the first envelope ( 14 ) includes a rear portion ( 20 ), which itself includes a lateral wall ( 21 ), a rear wall ( 22 ), and a medial wall ( 23 ), the rear portion ( 20 ) being at least partially porous or having low resistance to the passage of a fluid, and in that the first envelope ( 14 ) includes a front portion ( 25 ), which itself includes a lateral wall ( 26 ), a front wall ( 27 ) and a medial wall ( 28 ), the front portion ( 25 ) being resistant to the passage of a fluid or being impervious. 
     
     
         2 . Shoe ( 1 ) according to  claim 1 , characterized in that the lateral ( 21 ), rear ( 22 ) and medial ( 23 ) walls of the rear portion ( 20 ) of the first envelope ( 14 ) form a continuous element. 
     
     
         3 . Shoe ( 1 ) according to  claim 1 , characterized in that the lateral ( 26 ), front ( 27 ) and medial ( 28 ) walls of the front portion ( 25 ) of the first envelope ( 14 ) form a continuous element. 
     
     
         4 . Shoe ( 1 ) according to  claim 1 , characterized in that the rear ( 20 ) and front ( 25 ) portions of the first envelope ( 14 ) are butt-joined. 
     
     
         5 . Shoe ( 1 ) according to  claim 4 , characterized in that the junction ( 29 ) of the lateral walls ( 21 ,  26 ), front ( 25 ) and rear ( 20 ) portions, as well as the junction ( 30 ) of medial walls ( 23 ,  28 ) of the front ( 25 ) and rear ( 20 ) portions, are each located at a distance between 35 and 70% of the length of the shoe ( 1 ), from the front end ( 5 ). 
     
     
         6 . Shoe ( 1 ) according to  claim 1 , characterized in that the lateral ( 21 ), rear ( 22 ) and medial ( 23 ) walls of the rear portion ( 20 ) include three layers ( 35 ,  36 ,  37 ). 
     
     
         7 . Shoe ( 1 ) according to  claim 1 , characterized in that the lateral ( 26 ), front ( 27 ) and medial ( 28 ) walls of the front portion ( 25 ) include four layers ( 41 ,  42 ,  43 ,  44 ). 
     
     
         8 . Shoe ( 1 ) according to  claim 1 , characterized in that the lateral ( 26 ), front ( 27 ) and medial ( 28 ) walls of the front portion ( 25 ) include a waterproof layer ( 43 ). 
     
     
         9 . Shoe ( 1 ) according to  claim 1 , characterized in that the upper end ( 12 ) demarcates a central opening ( 48 ) extending the rear opening ( 13 ) forward, and in that it includes a tongue ( 49 ) adapted to at least partially close the central opening ( 48 ). 
     
     
         10 . Shoe ( 1 ) according to  claim 9 , characterized in that the tongue ( 49 ) includes a front portion ( 55 ) that is resistant to the passage of a fluid or is impervious, as well as a rear portion ( 56 ) that is porous or has low resistance to the passage of a fluid. 
     
     
         11 . Shoe ( 1 ) according to  claim 10 , characterized in that the front portion ( 55 ) of the tongue ( 49 ) includes four layers ( 41 ,  42 ,  43 ,  44 ). 
     
     
         12 . Shoe ( 1 ) according to  claim 10 , characterized in that the front portion ( 55 ) of the tongue ( 49 ) includes a waterproof layer ( 43 ). 
     
     
         13 . Shoe ( 1 ) according to  claim 10 , characterized in that the rear portion ( 56 ) of the tongue ( 49 ) includes three layers ( 35 ,  36 ,  37 ). 
     
     
         14 . Shoe ( 1 ) according to  claim 1 , characterized in that it includes a second envelope ( 15 ) which covers the first envelope ( 14 ). 
     
     
         15 . Shoe ( 1 ) according to  claim 1 , characterized in that the outer sole assembly ( 2 ) and the upper ( 3 ) are flexible.