Description: Gently Used TallBlack Rainboot. These Ilse Jacobsen Rub1 boots are 100% natural rubber from renewable resources. Featuring fully functional military boot lacing, a thickly treaded outsole and soft textile lining these rubber boots will let you enjoy the rain and snow in comfort. Durable rubber upper. Soft fleece lining for heat retention. Textile lined footbed for cushioning. Functional lacing system for flexible fit. Durable EVA outsole with treading.