Brooks Men's Glycerin 21

• 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.

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• Designed for: Road
• Midsole drop: 10mm
• Weight: 9.8oz / 277.8g
• Cushion Level: Most Cushioning
• Support Level: Netural