Brooks Glycerin range has always been a Staple for runners looking for a good Level of cushioning for easy runs and Longer sessions with the glycerin 20 Brooks made a number of updates to the Shoe including the addition of nitrogen Infused DNA Loft V3 midsole and a new Wider base the result is a noticeable Improvement on an already impressive Shoe with a balanced ride that feels Both soft and energetic upping its Versatility to make it more of a Cushioned daily shoe the upper is made From an engineered mesh that's built to Offer breathability along with a secure Fit and there's plenty of padding around The ankle collar and tongue to provide a Plush feel that cradles the foot on Every run