Fibrilated rubber outsoles retain flexibility in sub zero conditions
- Supreme Softness: Compared to the Glycerin 20, the Glycerin 21 features 2mm more super-soft, nitrogen-infused DNA LOFT v3 cushioning to maximizie softness.
- Improved Fit: New, engineered warp knit upper is breathable and alllows for a flexible, accommodating fit while staying soft against your foot.
- Smooth, Stable Transitions: The broad platform stabilizes your foot and promotes smooth heel-to-toe transitions.
- Designed for: Road
- Midsole drop: 10mm
- Weight: 9.8oz / 277.8g
- Cushion Level: Most Cushioning
- Support Level: Netural
Compression molded heel cup maintains structural integrity through impacts
