Upper: Gomma Plus natural rubber - Aigle's Gomma Plus upper material is a mixture based on flexible rubber and designed to stand up for many years to conditions associated with being outdoors, including liquid manure and the ozone. It is also resistant to the ageing process linked to long periods of storage.
Lining: 4.5 mm neoprene for insulation and temperature maintenance.
Insole: 4.5 mm neoprene for insulation and temperature maintenance.