The zoggs boys neoprene swim jacket is a great aid for small children to stay afloat in the swimming pool and become water confident it provides fixed buoyancy and is less bulky than traditional float jackets the swim jacket offers upf50 sun protection which ensures that your childs sensitive skin will not get sunburnt as it blocks over 975 of the suns harmful rays it is made from neoprene and equipped with sewn in foam padding as well as zips at the front and a velcro tab