For full body protection of your toddler against the elements, O'Neill has made this neoprene back zipped wetsuit available with a limited protection from cold water conditions but a full wind protection and UV protection as well.
Incorporating some nice technologies that enable your kid to have hours of fun at the beach. It is made with the O'Neill FluidFlex II which is a supremely flexible neoprene material that is very soft to the touch and comfortable for full day use in and out of the water. Quick to dry as well.
Find products compatible with O'Neill Reactor 2mm Backzip Kids Wetsuit: