The Surfit by Jakabel Front Zip Shorty Sunsuit is made in a top quality nylon and lycra mix fabric which blocks 97.5% of the sun's harmful UVA/UVB rays and is specially treated to absorb less water and dry quicker. The sunsuit also helps with children's Eczema as parents can use creams and then still be able to pick up kids without them slipping through their hands. nylon/lycra fabric blocks 97.5% of the sun's harmful rays UVP50+ sun protection help to provide a barrier between the sun & children's skin conditions such as Eczema front zip