Brooks' popular Glycerin 23 returns with more cushioning and an improved upper comfort experience. This dependable and durable trainer is perfect for everything from everyday runs and walks to long-distance efforts. The ride is now softer and smoother, featuring an innovative DNA TUNED cushioning that delivers plush landings and energetic toe-offs. The Glycerin 23 with its new knit upper and wide stable base is suitable for various foot shapes, compatible with orthotics. Its luxurious soft landing and lock-in feel is particularly enjoyable for those looking for more support, and for heel to midfoot strikers. What to love: Extra 2mm of foam in the forefoot and reduced heel-drop to 8mm A more balanced and smoother ride heel to toe Dependable and comfortable for everyday runs and walks UPPER The modern, streamlined upper features a new engineered knit, offering enhanced comfort and breathability in a soft, accommodating fit MIDSOLE Packed with more DNA TUNED, the next generation of nitrogen-infused foam created with a tuned dual-cell technique. The heel features large cells for plush landings, while the forefoot features small cells for responsive toe-offs. Wide platform plus the tuned heel and forefoot provide a smooth and steady transition from heel-to-toe OUTSOLE RoadTack rubber includes recycled silica and is lightweight and durable