Mens Glycerin GTS 21 Running Shoe

Supreme softness

Now with more super-soft, nitrogen-infused DNA LOFT v3 cushioning that is optimized to be lightweight, responsive, and durable for plush comfort. Improved fit

New, engineered warp knit upper is breathable and allows for a flexible, accommodating fit while staying soft against your foot. GuideRails holistic support system

Our innovative technology supports your body in its natural motion path while keeping excess motion in check.