Superfeet Trim To Fit Berry insoles are specifically designed to address the unique qualities of women's feet and footwear. Improves shoe fit and comfort for women who run, walk or stand for extended periods of time. Provides maximum support with a new forefoot shock pad for added comfort. Featuring Agion® antimicrobial top cover treatment to reduce bacteria and help prevent foot odor. Ideal for women’s feet with medium-to-high arches. Recommended footwear: Industrial and athletic footwear with a removable insole and more volume. SIZING: B= women's shoe 4.5 - 6. C= women's shoe 6.5 - 8. D= women's shoe 8.5 - 10. E= women's shoe 10.5 - 12.