Product Information Guide

Ideal for Runners

The Glycerin 21 is perfect for runners seeking supreme comfort. It offers unparalleled softness, making it an ideal choice for those who value cushioning and support.

Neutral Support and Versatility

This shoe provides neutral support, ensuring a smooth and stable running experience. Whether you're hitting the road, cross-training, or working out in the gym, the Glycerin 21 is versatile and suitable for various activities.

APMA Seal of Acceptance

The Glycerin 21 has been granted the APMA Seal of Acceptance, ensuring it meets the standards for foot health and comfort.

Supreme Softness

The Glycerin 21 boasts supreme softness, thanks to even more super-soft nitrogen-infused DNA Loft v3 cushioning. This cushioning is lightweight, responsive, and durable, providing continuous plush comfort during your runs.

Improved Plush Fit

The shoe features a plush internal stretch bootie that surrounds your foot, offering a flexible, accommodating fit. The newly engineered warp knit upper ensures breathability and maintains softness against your foot.

Smooth, Stable Transitions

The broad platform of the Glycerin 21 stabilizes your foot and promotes smooth heel-to-toe transitions. This design ensures a supremely soft running experience, enhancing your overall performance.

Predecessor and Alternative Support

If you require extra support, consider the GTS 21, a similar design with added support.