Hiking insoles - 3D Outdoor Outdoor-bundle Sidas also states that their

Sidas also states that their design helps to prevent blisters and fatigue associated with prolonged wear of smart shoes

This is achieved through a combination of high quality foams

5 x 24 cm provide enough space for a pair of boots whilst remaining a practical size to carry

ensuring that the socks are environmentally friendly while taking care of your feet

with a carbon footprint reduced to around 1

Hiking insoles - 3D Outdoor Outdoor-bundle Sidas also states that theirAnatomical insoles designed for activities requiring optimum foot support, with breathability and maximum comfort. TECHNICAL FEATURES Perforations: Breathability Leatherette top layer: Soft touch effect Comfort foam: Comfort 3D EVA shell: Holds the foot in position Heel pad: Cushioning SIZES (IN MM)