Brooks Glycerin 23 Running Shoes: Maximum comfort for every stride The Brooks Glycerin 23 deliver a smooth, balanced running experience, with optimized cushioning to support you every kilometer on the road. Designed for runners seeking comfort, a precise fit, and smooth transitions. Surface: Road Shoe type: Neutral Use: Training Weight: 300.5 g Drop: 8 mm Cushioning: DNA Tuned with injected nitrogenShow moreShow less