Description Mesh fabric laminated to a custom perforated EVA (Ethylene Vinyl Acetate) foam for improved breathability and comfort Injection molded plastic on the chest and back for improved protection Soft PU foam protectors used on the shoulders for improved protection and a better fit compared to plastic versions Designed to fit children between the age of 4 and 7 years old (25-45lbs) Adjustable fit using simple elasticated waistband and sleeve straps