Detailed Product Description Sheep felt insoles:1. Material: Sheep blankets2. Size:38-483. Applicable Type: shoes, cloth shoes, sports ... (4) high-performance thermal insulation (5) closely.Warm wool insoles The first "warm air structure" will be a variety of ... 5 times more powerful Sweat-absorbent, breathable, warm. Warm wool insoles high temperature, high pressure, anti-wrinkle, stereotypes, such as ...