When something heavier runners I've tried a lot of running shoes. After Nike, Adidas and Asics me a trader has recommended these shoes after a running analysis. The glycerin 12 is now my 4.Glycerin after 7,8,10. The glycerin 12 is the expected well-cushioned running shoe for my moderate but continue long jogging tracks, on asphalt, gravel and forest roads. I slip into the shoe and feel right at home there, in front the hoped supple, soft and airy sheath and heel & midfoot area best damping and light control for me as a Normal Foot-runners. The shoe looks lighter than its predecessor and provides a better contact to the ground. Runnability = perfect! He also looks in black turned out with the blue and green applications and impressive.