A Helly Hansen® classic in fun colors. 100% waterproof rain set for kids comprising of a jacket with bib and brace overalls. 100% Polyurethane A Helly Hansen® classic in fun colors. 100% waterproof rain set for kids comprising of a jacket with bib and brace overalls. This technology has kept fishermen safe and dry for decades, so it will surely keep kids dry whatever they are up to. Helox+ materials and construction provide full weather protection and full stretch for ease of movement.