Catalyst Cryo Helmet

Catalyst Cryo-Helmet CryoMax Cold Packs in UltraCool fabric pouches with Velcro. Insulated carry bag and CryoMAX square to keep Cryo-Helmet frozen for hours. Youth - Head size 7 1/8 and under. Adult - Head size 7 1/4 - 7 5/8. XL - Head size 7 3/4 and up.