Reinforced sidewalls resist deformation during off-camber strides, best trail racing shoe.
Lace up and head out in supreme comfort. For the men's Glycerin GTS 21, we added 2mm more super soft DNA LOFT v3 cushioning for extra plushness, while our innovative GuideRails support system keeps you comfortably in stride. Plus an updated, streamlined upper adds breathability.Rockered profiles facilitate smooth toe-offs on technical inclines, best hiking trail running shoes.
