The North Nitri-Knit - both regular and insulated - come with a heavy nitrile coating for excellent chemical protection.The absorbent interlock knit liner absorbs sweat, increasing comfort. Hand portion is permanently anti-bacterial and anti-mildew. The insulated Nitri-Knit is recommended for use in temperatures -23∞C to 149∞C (-10∞F to 300∞F). Comply with USDA and FDA regulations, 21 CFR, for use in food processing.