THIS WOMEN'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.
SUPPORTIVE CHOICE: The Glycerin GTS 21 offers increased support compared to the Glycerin 20. The GuideRails holistic support system assists your body's natural motion and minimizes excessive movement. Suitable for various activities like road running, cross training, or the gym. Wherever you go, they've got you covered!
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.
SMOOTH, STABLE TRANSITIONS: The broad platform stabilizes your foot and promotes smooth heel-to-toe transitions for a supremely soft on-the-run experience.
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.