Ergonomic insole. The innovative Uvex 3D Hydroflex foam provides shock absorption across the entire foot. Additional absorbers in the heel and forefoot for comfort in the most traumatic areas. The insole is made of breathable and moisture-absorbent materials. Perforations for improved ventilation, shock absorption zones, hypoallergenic, comfortable surface structure, manufactured according to the Uvex Climazon standard for maximum breathability and comfort.