Brand New Authentic Nike Air Force 1 Customs. Sold in Big Kids sizes Big Kids = Women’s Size 4 = 5.5 women’s Size 4.5 = 6 women’s Size 5 = 6.5 women’s Size 5.5 = 7 women’s size 6 = 7.5 women’s Size 6.5 = 8 women’s Size 7 = 8.5 women’s I can custom black or white air forces.