The birkenstock milano model guarantees maximum support and provides stability to the feet in all its movements. This is done by the more compact upper part with its two straps and the wide strap at the heel. The upper material is made of birko-flor®, a resistant and skin-friendly synthetic material.Anatomical cork-latex footbed.Insole top layer: suede.Sole: eva.Details: three straps, each with an individually adjustable metal spike buckle; heel strap.Made in germany.Upper material: birko-flowerbirko-flor is made of an easy-to-clean and hygienic pvc plastic, to which a soft and breathable layer of nappa has been added on the inside. It is a high quality material and totally healthy for the skin, it is worn on the body with a pleasant sensation and, at the same time, it is very resistant.Internal sole: upper layer of leather insoleflexible and skin-friendly leather lining that welcomes the foot by adopting its shape and folding to its profile. The surface of the lining has a honeycomb structure, which makes it particularly breathable, thus allowing a pleasant atmosphere inside the shoe even with intense physical activity.Inner base material: corkcork is a regenerable raw material that is extracted from the bark of the cork oak. It is a natural heat insulating product and has excellent damping properties.Eva (ethyl vinyl acetate) is a high quality plastic, endowed with particular lightness and elasticity, which also offers extremely good damping properties. This way, it is able to compensate for small irregularities in the floor and provides a soft cushioning of the steps when walking.