UEC Brooks Glycerin 21 running shoes Men’s Sz 9 Brooks Glycerin 21 is back again, designed to bring you unbeatable cushioning and support 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. If you're looking for supreme softness and ultimate comfort, the men's neutral Glycerin 21 running shoe provides an ultra plush ride thanks to even more soft DNA LOFT v3 cushioning than before, plus a new, more streamlined upper that delivers structure and breathability. Supreme softness Comfortable fit Smooth and stable transitions Road running Supreme softness, Improved fit Smooth, stable transitions Drop: Heel to toe drop of 10 mm Weight: 8.8 oz Perfect For: A classic running shoe perfect for anyone looking for a high-cushion shoe with a wide toe-box. Knit Upper: Your new engineered warp knit upper is both breathable and flexible, perfect for those desiring a secure fit and feel. Enhanced Transitions: Feel smooth and stable with each stride. Recycled Materials: Your trainers are thoughtfully designed with recycled materials equivalent to 5 plastic water bottles.