Fubuki Niseko 30 Fu009FUBUKI Niseko 3. 0 winter super durable and lightweight boots inspired by traditional North Japanese fishing boots that are hard to find competition in comfort and insulation. 100% waterproof Two layer removable insole Shock absorbing heel Soft wool blend lining Drawstring around the calf Upper: 100% EVA Lining: 50% wool, 50% polyester Sole: 100% synthetic rubber Shoe toe: 100% ABS composite