nTHIS SHOE IS FOR: The Glycerin 19 is perfect for runners who think there is no such thing as too much cushioning. The plush internal fit and soft transitions keep runners surrounded by softness.nNEUTRAL 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 them! Predecessor: Glycerin 18. Look for the Brooks Glycerin GTS 19 for the same style with added Support.nSUPER-SOFT CUSHIONING: The ultimate in softness and supreme comfort, designed for runners who want pillowy soft cushioning. The Glycerin 19 with DNA LOFT offers our most plush underfoot experience yet — so runners enjoy comfort that goes the distance.nPLUSH FIT: The plush feel of an internal stretch bootie surrounds your foot and moves and expands with your stride. The engineered mesh upper enhances the fit.nSMOOTH TRANSITIONS: The plush transition zone makes every move from heel to toe feel incredibly soft and smooth.