Orange Light B 3/4 Fits MEN'S Shoe 5.5-7, WOMEN'S 7-8.5 Is Our Slimmest,Orange Light B 3 4 Fits MEN'S Shoe 5. 5 7, WOMEN'S 7 8. 5 Is Our Slimmest, 3 4 has feature molded foam for support & shock absorption, & thermoplastic components for longevity Signature Deep heel cup, contoured medial arch, & metatarsal pad for alignment & weight distribution Orange , while offering the same level of support as the Orange Full, has a slimmer profile Heel Cup stabilizes the heel & provides natural shock absorption. Help with hip pain,