This is a soft, 15mm thick, made-in-Japan heel supporter. It contains rubber sponge to cushion the impact on your heel when stepping in Kendo, making it effective for those who experience heel pain when stepping or to prevent heel pain. Please choose from three sizes: M, L, and LL. Size guide: Shoe size 24cm or less: M Shoe size 24cm - 26cm: L Shoe size 26cm or more: LL These are designed to be a snug fit. If you have high insteps or wide feet, please choose one size up. We have plenty of stock in each size, so immediate purchase is welcome. Please specify your size after purchase. In addition to Kendo, it can also be used to alleviate pain from conditions such as plantar fasciitis. Items will be shipped via standard mail, which may take 3-5 days for delivery. Please note that standard mail does not deliver on weekends or holidays, so delivery may be further delayed if these days are involved. If you require faster delivery, you can change to LetterPack shipping for an additional ¥600. Please inquire in the comments. No discounts are available.