Keeps warm and dry in cold weather. Made of soft, lightweight, quick-drying and easy to maintain material. Fits like a second skin. Regulates body temperature. Well suited for sports. Age(waistband) 5-6 years(41cm), 7-8 years(46-51cm), 9-10 years(56-61cm), 11-12 years(66-71cm). Thickness 260gsm. Material 90%polyester, 10%spandex.