The Glycerin GTS 21 provides extra support through 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 great support compared to the Glycerin 20. The innovative GuideRails system supports your body's natural motion while reducing excess movement. It is suitable for road running, cross training, or any other activity.
The shoe has a plush and improved fit with an internal stretch bootie that moves with your foot. The warp knit upper is breathable and provides a flexible and comfortable fit.
For runners seeking supreme softness and comfort, the Glycerin GTS 21 is the ideal choice. The nitrogen-infused DNA LOFT v3 cushioning offers lightweight, responsive, and durable cushioning.
To ensure smooth and stable transitions, the shoe has a broad platform that stabilizes your foot. This provides a soft and comfortable experience during your runs.