• Material: Insoles made of imported Australian sheepskin wool, very soft, comfortable, and warm. • Insert construction: 0.2-inch non-woven cardboard sole + thick and soft wool. • Excellent workmanship: firmly stitched with sheepskin, the fleece will not fall off. • Occasion: Practical alternative for snow boots, leather boots, slippers, sneakers, winter boots, rain boots, rubber boots.