- 120408-1B-496

Our softest cushioning for supreme comfort and distraction-free miles. Nitro-infused softness: Experience ultimate cushion in the Glycerin 21 with nitrogen-infused DNA LOFT v3 technology, which delivers lightweight, super-soft cushioning and ultimate comfort for your feet.

• • Updated midsole features nitrogen-infused DNA LOFT v3, our softest cushioning yet.
  • New cushioning and redesigned outsole deliver smoother, more stable transitions.
  • All-new engineered mesh upper is lightweight and breathable.
  • New RoadTack rubber includes recycled silica and is lightweight and durable.
  • Additional 2mm of DNA LOFT v3 midsole for a plush ride