A feature-laden workhorse insole, designed for those looking for anti-fatigue, vibration dampening, ultra support and even weight distribution to fight fatigue. The carbon support tray, metatarsal pad, and the deep heel cup is perfect for the job site and careers where you&';re on your feet and carrying more than your body weight over the course of the day. Examples of the environment this insole is designed for include: construction, land development, road crews roofing, airport baggage transporters/crews, electrical service, manufacturing, and distribution centers. Features include: - PORONA(R) FOOT STRIKE PADS - maximum shock absorption - CARBON FIBER External heel & ARCH SUPPORT - lighter weight - increased strength - superior shock attenuation - EXTRA DEEP HEEL CUP - helps cushion the foot naturally Metatarsal Support - distributes pressure, can help prevent or provide relief from Plantar Fasciitis, Morton&&';;s Neuroma, and Metatarsalgia ANTI-BLISTER TOP COVER - cooler drier feet BIOSTATICA(R) ANTIMICROBIAL - fights odors