Plush cushioning, meet reliable support. For the Glycerin GTS 21 men's running shoe, 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 delivers breathability.

Features:

• Supreme softness - an extra 2mm of super soft nitrogen-infused DNA LOFT v3 cushioning.
• Improved fit - new engineered wrap knit upper.
• Smart support - Guiderails technology supports your body in it's natural motion path.

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