Intended for runners seeking a close, comfortable fit, the Glycerin Stealthfit 21 has been recognized by the APMA Seal of Acceptance. Its predecessor is the Glycerin Stealthfit 20.
Featuring nitrogen-infused DNA LOFT v3 cushioning, the Glycerin Stealthfit 21 offers lightweight, responsive, and durable comfort.
The flat knit upper Stealthfit construction of the Glycerin Stealthfit 21 adapts to the movements of your foot and provides a secure, adaptable fit with a seamless structure and breathability.
Promoting smooth heel-to-toe transitions, the Glycerin Stealthfit 21's broad platform stabilizes your foot for a soft on-the-run experience.
With a flat knit upper, the Glycerin Stealthfit 21 ensures maximum breathability to keep your feet cool and comfortable.