Men's Glycerin GTS 21

Lace up and head out in supreme comfort. For the men's Glycerin GTS 21, Brooks added 2mm more super soft DNA LOFT v3 cushioning for extra plushness, while the innovative GuideRails support system keeps you comfortably in stride. Plus an updated, streamlined upper adds breathability. Features Supreme softness: Compared to the Glycerin 20, the Glycerin 21 features 2mm more of super-soft, nitrogen-infused DNA LOFT V3 cushioning to maximize softness. Improved fit: New, engineered warp knit upper is breathable and allows for flexible, accommodating fit while feeling soft against your foot. Smart support: Inovative GuideRails technology supports your body in it's natural motion path while keeping excess motion in check. MIDSOLE DROP: 10mm WEIGHT: 10.5oz SUPPORT LEVEL: Support