THIS MEN'S SHOE IS FOR: The Glycerin GTS 21 is for runners who think there is no such thing as too much cushioning but seek additional support from our trusted GuideRails holistic support system. This Brooks Glycerin GTS 21 has been granted the APMA Seal of Acceptance. Predecessor: Brooks Glycerin GTS 20.
EXCELLENT ASSISTANCE: The Glycerin GTS 21 offers enhanced support compared to the Glycerin 20. The cutting-edge GuideRails holistic support system helps maintain your body's natural motion while limiting excessive movement. Perfect for road running, cross-training, gym workouts, or any activity you choose!
SMOOTH, STABLE TRANSITIONS: The broad platform stabilizes your foot and promotes smooth heel-to-toe transitions for a supremely soft on-the-run experience.
PLUSH IMPROVED FIT: The plush feel of an internal stretch bootie surrounds your foot and moves and expands with your stride. The newly engineered warp knit upper is breathable and allows for a flexible, accommodating fit while staying soft against the foot.
SUPREME SOFTNESS: The ultimate in softness and supreme comfort, designed for runners who want pillowy soft cushioning. The Glycerin GTS 21 with nitrogen-infused DNA LOFT v3 cushioning offers supreme softness optimized to be lightweight, responsive, and durable for plush comfort.