Brooks 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.

Shoe Category: Support

Experience: Cushion

Surface: Road

Suits Foot Arch Type: Medium, Flat

Support Technology: GuideRails®

Midsole Technology:DNA LOFT v3

Upper Technology:3D Fit Print

Weight: 266g

Midsole Drop: 10mm

US Sizing