This is the now-discontinued Bane Insoles Mesh. It's a model with good breathability and a smooth feel, making it easy to wear. While the surface material shows some wear, the support material on the underside is still in good condition. Recommended for those who want to try it out since new ones are expensive. I purchased a size S and cut it to fit a 23.5cm shoe size. It has been home-cleaned with Utamaro soap. The slight whiteness is from the soap's ingredients.