- Size: One size • Work insoles designed to offer great comfort, with double sponge in the heel for optimal shock absorption • Open cell structure in the sole that provides relaxation and comfort throughout the day • Thin front layer that assists with walking propulsion • Union System and 100% CoolMax fabric that promote breathability, reduce moisture, and accelerate drying • Helps prevent the formation of bacteria inside the footwear • X-MAX technology with two foams in the rear part to improve the feeling of comfort, cushioning, and stability • Reduces fatigue after long workdays and withstands daily effort • Antistatic insoles that insulate against electric current and protect from discharges • Suitable for men and women, recommended for boots and safety shoes