What Our Gearhead(R) Experts Are Saying:"I've logged a bunch of miles in the Glycerin 23 and it's one of the softest rides I've felt. The DNA TUNED midsole really absorbs impact without feeling mushy, and the wide platform gives me a stable base-even on longer runs or recovery days."When we want to forget about our shoes and just run, we reach for the Glycerin 23. Brooks designed this premium trainer with next-level comfort in mind-offering a distraction-free ride that's ideal for everything from daily training to long recovery miles. The nitrogen-infused DNA TUNED cushioning delivers plush landings and energetic toe-offs, while the wide midsole platform offers a stable base for smooth heel-to-toe transitions. The new upper features an engineered knit design for a soft, sock-like fit that's both breathable and supportive. Paired with a refined outsole layout and an updated 8mm drop, the Glycerin 23 balances pillowy comfort with performance-forward geometry. Whether you're racking up miles on pavement or logging easy recovery runs, this shoe helps every step feel effortless.