【Ski Boot Insoles】 Nordica Insoles Insoles Unused Adjustable 24/24.5cm The brown underlayment, when placed between the insole and the inner boot, makes it about 24cm. Without it, it's about 24.5cm. These were included with a new Nordica top-of-the-line model. Unused. There are some lines on the slightly gray part. Please refer to the photos. Will be sent in simple packaging. We look forward to your purchase.