Plush cushioning, meet reliable support. For the Glycerin GTS 21 women'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.

SUSTAINABILITY
61.1 % Recycled materials in the upper
3.75 Plastic bottles diverted from landfills

BEST FOR…

• Supreme softness
• Comfortable fit
• Road running
• Support

FEATURES

Supreme Softness - Compared to the Glycerin 20, the Glycerin 21 features 2mm more of our super-soft, nitrogen-infused DNA LOFT v3 cushioning to maximize softness.

Smart Support - Our innovative GuideRails® technology supports your body in its natural motion path while keeping excess movement in check. Did you know support doesn’t just refer to arch support? GuideRails® support aids your feet, knees, and hips.

Improved Fit - New, Engineered warp knit upper is breathable and allows for a flexible, accommodating fit while staying soft against your foot.