Using the same ChacoGrip™ rubber outsole with an added top layer of ultra-soft polyurethane (PU) to cushion every step

Breathable jersey knit

Updated with a zonally engineered

•    Jacquard knit

BROOKS Glycerin 21 Neutral Infant Using the same ChacoGrip™ rubberTHIS WOMEN'S SHOE IS FOR: The Glycerin 21 is perfect for runners seeking super soft cushioning for supreme comfort. The plush internal fit and soft, stable transitions keep runners surrounded by super softness. This Brooks Glycerin 21 has been granted the APMA Seal of Acceptance. NEUTRAL SUPPORT: Provides neutral support while offering the maximum amount of cushioning. Ideal for road running, cross training, the gym or wherever you might want to take