Aigle Collection. Insole: Neoprene 4.5mm, comfortable and insulating. Lining: Neoprene 4.5mm, comfortable and insulating. Upper: Mainly Gomma Plus natural rubber. Waterproof gusset, adjustable to all calf sizes - Tri-density rubber sole - Shock-absorbing cushion in the heel - Shock-absorbing foam insole - Insulating neoprene lining.
