COPPERTONE BOYS GREEN/BLUE KIDS YOUTH SAFARI HAT.  SIZE IS SMALL/MEDIUM  MEASUREMENT APPROX:  DIAMETER 6 1/2".  HIGHEST QUALITY UVA/UPF50+ SUN PROTECTION WOVEN INTO GARMENT TO PROVIDE THE MAXIMUM PROTECTION BOTH IN AND OUT OF THE WATER.  100% POLYESTER.  STYLE RN139129.  NWT.  PLEASE SEE ALL PICTURES FOR DETAILS..TY