THIS WOMEN'S SHOE IS FOR: The Glycerin GTS 21 is designed for runners who want extra cushioning and additional support from the GuideRails holistic support system. It has received the APMA Seal of Acceptance and is the successor to the Brooks Glycerin GTS 20.
GREAT SUPPORT: The Glycerin GTS 21 provides more support than the Glycerin 20, with the GuideRails holistic support system. It is suitable for road running, cross training, and other activities.
PLUSH IMPROVED FIT: The shoe features an internal stretch bootie for a plush feel and a warp knit upper for a flexible and breathable fit.
SUPREME SOFTNESS: Designed for runners who want soft cushioning, the Glycerin GTS 21 has nitrogen-infused DNA LOFT v3 cushioning for lightweight, responsive, and durable plush comfort.
SMOOTH, STABLE TRANSITIONS: The broad platform of the shoe promotes smooth heel-to-toe transitions for a soft running experience.