For aerobics, court sports, running, weight training, racquet sports
and walking. Special cushioning in both the heel strike zone and the
forefoot area for outstanding performance. Helps turn any athletic shoe
into a cross training shoe.
Sizes:
"1" fits women's shoe 5-6.
"2" fits women's shoe 7-8, men's shoe 6-7.
"3" fits women's shoe 9-10, men's shoe 8-9.
"4" fits men's shoe 10-11.
"5"fits men's shoe 12-13.
"6" fits men's shoe 14-15.