Stability| High Cushion | 10mm Heel Drop

Your updated Brooks Glycerin GTS 21 is back again, designed to bring you unbeatable cushioning and stability for running, walking, or whatever your day brings! Now with extra goodies like the new RoadTack rubber that's environmentally friendly, with a recycled silica content. You can also rely on more durable and lightweight traction than ever before. If that wasn't enough, the additional 2mm of DNA LOFT v3 cushion delivers a super plush ride. Made with recycled materials equivalent to five plastic water bottles, you'll feel great with every step you take in your Glycerin 21.

• Knit Upper: Your new engineered warp knit upper is both breathable and flexible, perfect for those desiring a secure fit and feel.
• Added Midsole Cushioning: An additional 2mm DNA LOFT v3 cushioning allows for a softer ride.
• Durable Outsole: New RoadTack rubber outsole is made with recycled silica and built to last.
• Enhanced Transitions: Feel smooth and stable with each stride.
• Recycled Materials: Your trainers are thoughtfully designed with recycled materials equivalent to five plastic water bottles.