The water shoes are made with a performance fabric suitable to be fully submerged in water, running around on all surfaces, the beach etc... The fabric will protect their feet from UV.
The soles are ToughTek rubber that are water, heat and slip resistant. The insoles are lined with a waterproof scuba for added cushion.
The toes will have added protection which will be Marine Vinyl. These are waterproof and protect the feet from UV.
In order to get accurate sizing please measure the child's foot from heel to biggest toe and add .25"-.5" for growing room (personal preference).
