Patent ID: 7716854

Claim:
A sports boot lower-leg part comprising a part comprising at least two superposed injected layers of plastics at least partially surrounding the lower leg and comprising an opening that can be closed by catching means ( 6 ) distributed on either side of this opening, wherein one ( 4 ) of the two layers has one or more recesses ( 9 ) lying on an axis ( 8 ) in order to define a deformation axis of the lower-leg part, allowing that part of the lower-leg part that is around this axis ( 8 ) to move away in order to enlarge the opening and make it easier to put the boot on and to take it off, wherein material of the one or more layers not having the recess is more flexible and occupies at least partially the volume of one or more recesses ( 9 ) of the layer ( 4 ) having the one or more recesses.