Met Gamer When they get too big to have bunnies & fairies on their helmets but are still not big enough to fit an adult lid, the Met youth models fill the gap & provide all the features of a proper, grown-up cycle helmet, just in a slightly smaller size. The gamer has nice rounded lines & more contemporary graphics for a less childish look, & that's reflected in the fully featured design, with great coverage, Met's In-Mould Intelligent Fusion construction, flow-through venting, integrated LED rear light & a two year warranty. Good-looking helmet, sized to fit older kids & young teens & offer superior protection & comfort. Fits head sizes from 52 to 57cm in circumference.