Blundstone Comfort Arch Footbed Insole Size: S Retail Price: ¥3960 This is a high-cushion premium insole for Blundstone side-gore boots. Used only 3 times, in excellent condition. Product Details This is an all-season replacement insole for Blundstone thermal models (thermal models come with a boa-type insole). It can also be used as a replacement insole for the ALL-TERRAIN THERMAL model and LUG BOOT. It features a unique XRD® technology insert in the forefoot, which can absorb up to 90% of impact. This soft and highly cushioned premium insole provides unparalleled comfort. Furthermore, it is resistant to odors, mold, and bacteria, breathable, and washable. ■XRD® XRD®, a high-performance cushioning material, not only effectively absorbs impact but is also durable, reducing foot fatigue even during long walks.