Supreme softness. Now featuring nitrogen-infused DNA LOFT v3, super soft cushioning optimized to be light weight, responsive, and durable with plush comfort. Supreme softness. Now featuring nitrogen-infused DNA LOFT v3, super soft cushioning optimised to be lightweight, responsive and durable with plush comfort. Innovative nitrogen infusion process lets Brooks fine-tune the softness with careful precision so it never sacrifice weight, durability or responsiveness. The cushioning technologies all start with DNA because they react to your unique stride. Improved fit. The plush and breathable engineered air mesh upper offers a secure fit, comfortably holding the foot in place. Smooth & easy transitions. Redesigned midsole and outsole offer a widened platform for smoother, easier transitions. Experience: Cushion Surface: Track, road Midsole drop: 10MM Weight: 10. 01oz/286. 3g | Brooks Men's Glycerin 20 Shoes in Black/White/Alloy | Size: 11 Width: D | Fit2Run