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.
Improved fit
New, engineered warp knit upper is breathable and allows for a flexible, accommodating fit while staying soft against your foot.
Smart support
Our innovative GuideRails technology supports your body in its natural motion path while keeping excess movement in check
Features:
- Supreme softness
- Improved fit
- Whole-body support
- Midsole drop - 10mm
- Weight - 8.9oz / 252.3g