Details About Women's Brooks Glycerin 23Women's Brooks® Glycerin 23 :: Treat your feet to ultimate plush comfort in your Women's Brooks Glycerin 23, now softer and more responsive than ever. The new engineered triple jacquard warp knit upper wraps your foot in breathable, premium comfort with a smooth, accommodating fit. Brooks packed in even more DNA TUNED cushioning to give you cloudlike landings and energetic toe-offs that feel effortless mile after mile. A wide platform and tuned heel-to-forefoot transition keep each stride stable and silky smooth. Your Glycerin 23 delivers the most luxurious ride in the lineup.