Insoles with a breathable, perforated design for improved cushioning and support. - Brand: Mizuno - Color: Black - Material: Felt and rubber - Design: Breathable, perforated design - Features: Improved cushioning and support Thank you for viewing. The size is unknown, but I measured it and it was 27cm. I believe it's unused, but it's been stored at home, so it's uncertain. Please refrain from purchasing if you are concerned. *Please read the notes in my profile before purchasing to prevent any issues. *I am not considering price reductions due to fees and shipping costs. Please understand that this item has been stored at home and has been inspected by a non-professional before purchasing.