The Brooks Glycerin 15 offers ultimate softness and supreme running comfort, and feels lighter than ever. Super DNA midsoles provide superior cushioning, while plush fitting uppers move and expand with your stride, thanks to next-generation 3D fit Print technology. . . . Lighter weight. . Improved flexibility. . Softer feel with updated midsole design. . New plush transition zone for a smoother ride. . Improved fit from next-generation 3D Stretch Print saddle. . Midsole Drop: 10mm. . Weight: 10.6 oz. / 300.5g. . Arch: Medium, high. . Imported. .