Blown rubber outsole ENCAP® midsole technology provides support and maximum durability Pigskin/mesh upper Dual Density Collar Foam ENCAP PU Ring with EVA Core us sizing made in USA SIZE GUIDE: MEN'S 4.5 = WOMEN'S 6.     MEN'S 5 = WOMEN'S 6.5 MEN'S 5.5 = WOMEN'S 7.      MEN'S 6 = WOMEN'S 7.5 MEN'S 6.5 = WOMEN'S 8.     MEN'S 7 = WOMEN'S 8.5 MEN'S 7.5 = WOMEN'S 9