• THIS MEN'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 them! Predecessor: Glycerin 20. Look for the Brooks Glycerin GTS 21 for the same style with added support.
• SUPREME SOFTNESS: The ultimate in softness with even more super-soft nitrogen-infused DNA Loft v3 cushioning, optimized to be lightweight, responsive, and durable for plush comfort.
• PLUSH IMPROVED FIT: The plush feel of an internal stretch bootie surrounds your foot and moves and expands with your stride. The newly engineered warp knit upper is breathable and allows for a flexible, accommodating fit while staying soft against the foot.
• SMOOTH, STABLE TRANSITIONS: The broad platform stabilizes your foot and promotes smooth heel-to-toe transitions.

• Product Dimensions ‏ : ‎ 12 x 8 x 4.5 inches; 2 Pounds
• Department ‏ : ‎ mens
• Date First Available ‏ : ‎ August 31, 2023
• Manufacturer ‏ : ‎ Brooks