MET Hooray Helmet - Space Glow in Dark SmallMET Hooray Helmet Space Glow in Dark Small. The MET Hooray MIPS Helmet offers safety and comfort with toddler specific features designed to protect young cyclists. Its flattened back ensures comfort in child seats while extended coverage shields sensitive areas like the back and temples. The helmets air channeling system enhances airflow and METs Bimbi Secure Technology prevents pressure on the fontanel. With the MET Safe T Bimbo system the helmet