Brooks Glycerin 21 sneakers provide miles of softness and comfort. The lightweight design integrates a breathable knit upper for a flexible, secure fit. Its nitrogen-infused DNA Loft v3 midsole delivers a plush, responsive ride. A wide platform ensures smooth transitions, while the RoadTrack rubber outsole enhances durability and includes recycled silica. Ideal for daily walks, training, or all-day wear, it transforms your experience by softening the impact on your feet.