UPPER: NATURAL CALF LEATHER The Upper is made of natural calf leather; it is strengthened by a shock absorber interval layer made of silver ions (Ag+) impregnated High Density (HD) memory foam. Elastic Leather and Stretch fabric materials are used in some models to give the therapeutic feature to the shoes. LINING: Ag+ IMPREGNATED CALF LEATHER Silver ions (Ag+) impregnated calf leather has thermo-regulatory characteristics. Silver ions (Ag+) prevent microbial and fungal activity, decrease the risk of infections and bad smells. Seamless interior prohibits opening new wounds or suffering existing wounds. INSOLE: Ag+ IMPREGNATED MEMORY FOAM Made of silver ions (Ag+) impregnated Memory Foam covered by silver ionized natural calf leather take shape of your feet. All insoles have a removable part for heel spur to provide a hole for pressure relief. OUTSOLE: SUSPENSION FEATURE The suspension feature of the non-slip outsole balances the pressure applied to the sole to cure and relieve foot ache. The outer sole also has a structural feature that interferes with the natural movement of the foot. It imitates the barefoot walking movement made in nature. GENDER: Women SIZE ASSORTMENT: 34 - 42 COLORS: Black - Brown - Navy Blue - Burgundy - Beige PRIVATE LABEL: Available subject to negotiation