Brooks | Glycerin GTS 21 | Women's | Black/Black/Ebony

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Super-soft cushioning with industry-leading support for supreme comfort.

Supreme softness

Now with more super-soft, nitrogen infused DNA LOFT v3 cushioning that is optimized to be lightweight, responsive, and durable for plush comfort.

Improved fit

New, engineered wrap knit upper is breathable and allows for a flexible, accommodating fit while staying soft against your foot.

GuideRails holistic support system

Our innovative technology supports your body in its natural motion path while keeping excess motion in check.

What's new

• New RoadTack rubber includes recycled silica and is lightweight and durable.
• Additional 2mm of DNA LOFT v3 midsole for a plush ride.
• Made with recycled materials equivalent to 5 plastic water bottles.

MIDSOLE 

• DNA Loft v3 nitrogen-infused foam delivers plush and luxurious cushioning while maintaining responsiveness and durability. 
• GuideRails Holistic Support System keeps your body in its natural motion path while keeping excess motion in check.

OUTSOLE 

• Roadtack Rubber includes recycled silica and is strategically placed throughout the outsole for long-lasting traction. 

UPPER 

• Engineered Warp Knit provides a secure and comfortable fit.