Prospect Jr. - featuring the world's first helmet liner system that grows as you do. Utilizing Smith's Grow With Me dual-stage liner system, the Prospect Jr.'s stage one and stage two liners cover the largest head size range in kid's helmets today. Tested and developed with MIPS rotational protection system and ventilated Aerocore protection featuring Koroyd - the Prospect Jr. refuses to sacrifice protection, year after year.