Footwear with padding and midsole structures and the method of making the same
A method of manufacturing an article of footwear includes positioning an upper on a last that defines openings connected by one or more channels in the last, injecting a material through the one or more channels in the last, and forming a structure on the upper with the material.
1. A method of manufacturing an article of footwear, the method comprising:
positioning an upper on a last, the last defining openings connected by one or more channels in the last;
injecting a material through the one or more channels in the last; and
forming a structure on the upper with the material,
wherein the structure comprises upper padding.
2. The method of claim 1 , wherein the structure comprises a midsole.
3. The method of claim 1 , wherein the openings comprise an inlet at a top of the last and an outlet at a bottom of the last.
4. The method of claim 1 , further comprising customizing the structure based on data associated with a wearer.
5. The method of claim 1 , wherein the last defines a cavity at a bottom portion of the last.
6. The method of claim 5 , wherein the cavity extends most of the length of the last and most of the width of the last.
7. The method of claim 6 , wherein forming the structure on the upper comprises forming an insole in the cavity.
8. The method of claim 1 , wherein the last comprises a pattern with at least one of engraved features and embossed features.
9. A method of manufacturing an article of footwear, the method comprising:
positioning an upper on a last;
injecting a material through the last; and
forming upper padding and a midsole with the material in a single, continuous process.
10. The method of claim 9 , further comprising injecting a second material through the last.
11. The method of claim 9 , further comprising using a modular attachment to shape the upper padding.
12. The method of claim 9 , further comprising obtaining foot data associated with a wearer.
13. The method of claim 12 , further comprising using the foot data associated with the wearer to customize the midsole and the upper padding.
14. A method of manufacturing an article of footwear, the method comprising:
positioning an upper on a last, the last defining openings connected by one or more channels in the last;
injecting a material through the one or more channels in the last; and
forming a structure on the upper with the material,
wherein the last comprises a pattern with at least one of engraved features and embossed features.
15. The method of claim 14 , wherein the structure comprises upper padding.
16. The method of claim 14 , wherein the structure comprises a midsole.
17. The method of claim 14 , wherein the openings comprise an inlet at a top of the last and an outlet at a bottom of the last.
18. The method of claim 14 , wherein the pattern comprises engraved features and embossed features.
19. The method of claim 14 , further comprising obtaining foot data associated with a wearer.
20. The method of claim 19 , further comprising using the foot data associated with the wearer to customize the structure.