Psolar offers 2 camo models - the CX-B Balaclava and the CX-M Facemask. The Balaclava is One size and the Facemask is 2 sizes. - S/M and L/XL. The S/M fits most woment and children, while the L/XL fits most men. If you are not sure, check your hat size. The L/XL fits people with a hat size of 14 or higher.