Medium-arched feet: Sidas has developed the 3 Feet concept, which tailors the way the insole is constructed to the 3 different foot-arch types. The 3 Feet Eco Winter Mid insole is designed specifically for medium-arched feet.

Body alignment: the EVA shell gives the foot stability and support.

Thermal insulation: The fine polyester mesh top layer, paired with our 20%-recycled Evamic Insulated EVA foam, provides the thermal insulation you need to protect your feet from the cold.