[Size Adjustment with Scissors] You can adjust the size with scissors according to the size of your feet and shoes. Adjustable size for both men and women to fit any pair of shoes. Graduated to size for easy trimming. Ergonomic design, breathable, odor resistant, slip resistant, and soft cushion reduces foot fatigue.It is highly breathable and quick drying that wont get stuffy even after wearing it for a long time.Deodorization treatment reduces unpleasant odors.