Description Uses Destroys odor on contact with super-activated charcoal, baking soda and two powerful odor-blocking technologies. Absorbs perspiration so feet stay drier and feel more comfortable. Slim, comfortable fit. Cushions without crowding. 3 pairs, trim to fit. Directions Select shoe size on bottom of insole: M = men, L = ladies, B = boys, G = girls. Trim insoles along guidelines with sharp scissors. Place into shoe with cloth side up. Purpose Foot Care