Vancrown knows headgear and they have made you a perfect camo selection that will scrunch and lengthen for many needs. Stretchable fabric suited for head circumference 21.25-25(Inch)/54-64(CM) Proven Industry tested by SGS (Societe Generale de Surveillance) and ITS (INTERTEK). Formaldehyde Test(PASS) Azo Dyes Test (PASS) Color Staining Test with saliva and sweat(PASS)&n