Guy Cotten Neoprene Cuffs  Ideal for preventing water ingress in sleeves. PPE Category I - EN 343: 2019 Comfortable thanks to the suppleness and the extendable properties of the neoprene. The insulation properties of the neoprene also protect from the cold.Top of oversleeve big enough to slip on over clothing.Tightened at the cuffs The fabric and seams are waterproof, but the specific shape of this article means that it is not completely waterproof unless a PPE rated jacket, smock or coat is worn. Technical Specification 3mm Fabric Neoprene