Patent ID: 11969055
Assignee: LACROSSE FOOTWEAR, INC.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 18:
19. A footwear assembly, comprising:
an upper having medial and lateral side flanges;
a sole assembly attached to the upper and having an outsole, a midsole atop the outsole, an insole assembly atop the midsole, and a shank,
the midsole having first lateral and medial sides and having a first heel portion, a first forefoot portion, and a first arch portion between the first heel and forefoot portions,
the insole assembly having a U-shaped first insole board positioned above at least the first heel portion of the midsole, wherein the first insole board has an interior opening exposing the midsole and adapted to be positioned to be under a heel of a wearer's foot, the insole assembly and having a bifit insole board supported atop the midsole, the first insole board being sandwiched between the first heel portion of the midsole and the bifit insole board, the bifit insole board having a second heel portion, a second arch portion and a second forefoot portion positioned above the first heel, arch, and forefoot portions of the midsole, respectively, the second heel portion of the bifit insole board being made of a first material having a first stiffness, and the second forefoot portion being made of a second material different than the first material and having a second stiffness less than the first stiffness, and having a stiffness transition portion between the second heel and forefoot portions that transitions between the first and second materials and between the first and second stiffnesses; and

the shank is positioned between the first arch portion of the midsole and the second arch portion of the bifit insole board;
wherein the medial and lateral side flanges of the upper wrap around second medial and lateral sides of the second heel portion, respectively, and a rear portion of the second arch portion of the bifit insole board rearward of an attachment transition area, and the medial and lateral side flanges are adhered to a bottom surface of the bifit insole board under the second heel portion and the second arch portion rearward of the attachment transition area, with the medial and lateral side flanges of the upper being securely retained between a top of the first insole board and a bottom of the second heel portion of the bifit insole board;
wherein the medial and lateral side flanges of the upper are positioned adjacent to third medial and lateral sides of the second forefoot portion of the bifit insole board and a forward portion of the second arch portion without wrapping under the bifit insole board, the medial and lateral side flanges of the upper being stitched to a top or an edge of the second forefoot portion and the forward portion of the second arch portion forward of the attachment transition area, and the medial and lateral side flanges of the upper are not stitched to the bifit insole board rearward of the attachment transition area, and the medial and lateral side flanges transition from a position under the bifit insole board rearward of the attachment transition area and to adjacent or above the fit insole board forward of the attachment transition area; and
wherein the shank extends under the stiffness transition portion and the attachment transition area.