Inner lining GPA helmet easy, 4s and jock up

Here is the famous soft and comfortable GPA foam for your greatest pleasure!Its material is anti-bacterial, anti-perspirant and machine washable.It is inserted between the EPS and the outer shell of the helmet using semi-rigid plastic rods.No more hook-and-loop fasteners and rivets that can irritate the delicate skin on your head.These foams adapt to the EASY, 4S and Jock Up ranges! Show more