The Glycerin GTS 21 is intended for runners who desire ample cushioning and additional support from the GuideRails holistic support system. It has received the APMA Seal of Acceptance and is the successor to the Glycerin GTS 20.
The Glycerin GTS 21 offers enhanced support compared to the Glycerin 20. The innovative GuideRails system supports the natural motion of your body while preventing excessive movement. It is suitable for various activities such as road running, cross training, and gym workouts.
The internal stretch bootie provides a plush and adaptable fit that moves with your stride. The newly engineered warp knit upper allows for breathability and a comfortable fit.
Designed for runners seeking superior softness and comfort, the Glycerin GTS 21 features nitrogen-infused DNA LOFT v3 cushioning. This cushioning is lightweight, responsive, and durable.
The Glycerin GTS 21 has a broad platform that stabilizes the foot and ensures smooth transitions from heel to toe during running, offering a supremely soft experience.