Z Liner Anti Shock Honeycomb Insole/Shock Absorption/Antibacterial/Breathable/Arch Support/Orthopedic/No Glue Needed/Washable I Relieves Plantar Fasciitis, Lower Back and Knee Pain (31cm)Shock Absorption Hexagonal column construction and patented HPE non slip new material absorb shock ANTIBACTERIAL ANTIMICROBIAL AND ODOR RESISTANT Antibacterial and deodorizing treatment prevents the growth of bacteria and keeps your shoes clean SUPER ABSORBENT Hexagonal honeycomb construction and non adhesive material allow for superior breathability and reduce foot stuffiness and odor ARCH SUPPORT Provides firm support and stabilization of the foot,