Train in comfort with the women’s Brooks Glycerin 22 in Black, Blue Heron, and Orange. This shoe uses DNA Tuned nitrogen-infused foam to provide plush cushioning and smooth transitions, with a flexible double jacquard knit upper that moves with your foot. The Brooks Glycerin 22 offers an ultra-smooth running experience thanks to its new DNA Tuned midsole with infused nitrogen. Designed for runners seeking maximum comfort and smooth transitions in daily asphalt training. Surface: Asphalt Type of shoe: Neutral Use: Training Weight: 258 g Drop: 10 mm Cushioning: DNA Tuned with infused nitrogen Outsole: RoadTrack rubber