Kids swimming outfit ideal for pool or sea swimming. Made from a combination of 1.5mm neoprene (front and back) and lycra on the sleeves to provide ease of movement inside the water. Provides good thermal insulation and helps floating (neoprene) without making it harder to swim (lycra). Protects from the cold in the winter and from sun radiation during the summer. It also protects from jellyfish. The zipper is YKK.