The Glycerin 20 is designed for runners who prefer ample cushioning, with a comfortable internal fit for supreme softness. This Brooks model is ideal for those seeking neutral support and maximum cushioning for various activities. Order half to one size larger than your dress shoe in Brooks running shoes. Look for the Brooks Glycerin GTS 20 for added support. This shoe offers ultimate softness and comfort with nitrogen-infused DNA LOFT v3 cushioning. The plush internal fit of the Glycerin 20 surrounds your foot, while the breathable mesh upper ensures a secure and comfortable fit. The redesigned midsole and widened outsole of the Glycerin 20 provide smoother transitions.