Best combination of shock absorption and energy return. Proven cushioning and support improves athletic performance and prolongs the life of your shoes. Ideal for running, walking, training and sports. Seven sizes fit: men's 6-15.5, women's 3-12.5.Size 1 2 3 4 5 6 7  US Men's Shoe Size   6-7 8-9 10-11 12-13 14-15 16-17  US Women's Shoe Size 5-6 7-8 9-10 11-12        UK Shoe Size 4-5 5-6 7-8 9-10 11-12 13-14    European Shoe Size 36-38 38-40 40-42 42-44 44-46 46-48