1. Soft texture, moisture absorption, breathable, perspiration wicking 2. Soft and comfortable, shock absorption and pressure relief 3. Three-hole design, firm buckle, fixed without shifting 4. 35-46 yards can be cut to fit the feet 5. Material: goose down + PVC 6. Suitable seasons: summer, winter, spring, autumn 7. Suitable shoe types: sports shoes, boots, casual shoes, warm shoes, work shoes 8. Size: single layer: about 2.5cm, second layer: about 4cm, third layer: about 5.5cm, fourth layer: about 7cm, fifth layer: about 8.5cm 9. Weight: single layer: about 172g, second layer: about 230g, third layer: about 294g, fourth layer: about 354g, fifth layer: about 416g
