Brooks 2024 Intros: New Foams! Glycerin 21, Ghost 16, Hyperion Elite 4, Caldera 7, Catamount 3, Agil

Brooks previews 2024 Road and Trail with new foams throughout: Glycerin 21 (Loft v3), Ghost 16 (Loft v3), Hyperion Elite 4 (Flash v2), Caldera 7 (Loft v3),, Catamount 3 (Loft v3),, Agil (Flash v2),