Muddyfox spark junior bike helmet thismuddyfox spark junior bike helmet has a clasp fastening for a secure fit as well as a size adjusting system to the back of the head this cycling helmet also features mesh sections and air holes for breathability finished of with a colourful paint splatter paint job and muddyfox branding for a great look bike helmet adjustable clasp fastening removable padding removable peak paint splatter paintwork adjustable size mesh sectio