An extra layer of EVA with a hardness of 35 ShA is used to improve cushioning and resistance to the cold. The thickness together with the insole effects the flex of the boot. Thickness of 4 or 6 mm.
An extra layer of EVA with a hardness of 35 ShA is used to improve cushioning and resistance to the cold. The thickness together with the insole effects the flex of the boot. Thickness of 4 or 6 mm.