Dynamic arch support insole with deep decoupled heel cup fits, wraps, and locks the foot in place for improved stability, reduced fatigue, and a customized fit. ESD Certified with anti-static construction and carbonized mid layer for improved safety on the job. Antistatic cushioning in the heel and forefoot absorbs shock to relieve and prevent joint and foot pain from standing all day. Durable and breathable cushioned design keeps feet dry and comfortable in all work boots and safety footwear. Comfort boost insoles for work boots and work shoes with EN ISO 20345:2011 requirements.