- 120409-1D-496

Our softest cushioning with industry-leading support for supreme comfort. Nitro-infused softness: Experience soft strides like never before in the Glycerin GTS 21 with innovative nitrogen-infused DNA LOFT v3 technology. This delivers ultimate softness and comfort under your feet, with GuideRails support technology to give you stability and keep excess movement in check.

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