Chemically-treated outsole assembly for a golf shoe

1. An outsole assembly for a golf shoe comprising:

an internal base member composed of ethylene vinyl acetate, the internal base member having a thickness ranging from 5 mm to 30 mm;

an inner frame member composed thermoplastic polyurethane subjected to an isocyanate solution;

an external base member composed of a thermoplastic polyurethane;

a dual looping frame composed of a thermoplastic polyurethane, the dual looping frame comprising a plurality of traction teeth; and

a plurality of spike members.

2. A golf shoe comprising:

an internal base member;

an inner frame member;

an external base member;

a dual looping frame, the dual looping frame comprising a plurality of teeth, each of the plurality of traction teeth having a height ranging from 1 mm to 6 mm; and

a plurality of spike members;

wherein at least one of the components above is molded from a thermoplastic material comprising a polyurethane, polyurea or polyurethane/polyurea composition having a melt index of 15 g/10 min or more at a temperature of 200° C. to 210° C. and a load of 8.7 kg prior to molding, and wherein the component is treated with a secondary curing agent comprising an isocyanate subsequent to molding.

3. The golf shoe according to claim 2 wherein each of a plurality of the components is molded from a thermoplastic material comprising a polyurethane, polyurea or polyurethane/polyurea composition having a melt index of 15 g/10 min or more at a temperature of 200° C. to 210° C. and a load of 8.7 kg prior to molding, and wherein the component is treated with a secondary curing agent comprising an isocyanate subsequent to molding.

4. A golf shoe comprising:

an internal base member, the internal base member having a thickness ranging from 5 mm to 30 mm;

an inner frame member;

an external base member;

a dual looping frame, the dual looping frame comprising a plurality of teeth, each of the plurality of traction teeth having a height ranging from 1 mm to 6 mm; and

a plurality of spike members;

wherein at least one of the components above has a Shore D hardness of 60 or less and is molded from a thermoplastic material comprising a polyurethane, polyurea or polyurethane/polyurea composition having a flex modulus of 30,000 psi or less and a melt index of 15 g/10 min or more at a temperature of 200° C. to 210° C. and a load of 8.7 kg prior to molding, and wherein the component is treated with a secondary curing agent comprising an isocyanate subsequent to molding.

5. The golf shoe according to claim 3 wherein said isocyanate is selected from the group consisting of 4,4′-diphenylmethane diisocyanate (“MDI”); 2,4-toluene diisocyanate (“TDI”); m-xylylene diisocyanate (“XDI”); methylene bis-(4-cyclohexyl isocyanate) (“HMDI”); hexamethylene diisocyanate (“HDI”); naphthalene-1,5,-diisocyanate (“NDI”); 3,3′-dimethyl-4,4′-biphenyl diisocyanate (“TODI”); 1,4-diisocyanate benzene (“PPDI”); phenylene-1,4-diisocyanate; 2,2,4- or 2,4,4-trimethyl hexamethylene diisocyanate (“TMDI”); isophorone diisocyanate (“IPDI”); 1,4-cyclohexyl diisocyanate (“CHDI”); diphenylether-4,4′-diisocyanate; p,p′-diphenyl diisocyanate; lysine diisocyanate (“LDI”); 1,3-bis(isocyanato methyl)cyclohexane; polymethylene polyphenyl isocyanate (“PMDI”); meta-tetramethylxylylene diisocyanate (“TMXDI”); and combinations thereof.

6. The golf shoe according to claim 2 wherein each of a plurality of the components has a Shore D hardness of 60 or less and is molded from a thermoplastic material comprising a polyurethane, polyurea or polyurethane/polyurea composition having a flex modulus of 30,000 psi or less and a melt index of 15 g/10 min or more at a temperature of 200° C. to 210° C. and a load of 8.7 kg prior to molding, and wherein the component is treated with a secondary curing agent comprising an isocyanate subsequent to molding.

7. The golf shoe according to claim 4 further comprising a mid-sole and an upper with an opening.