Brooks Women's Glycerin StealthFit 21 Running Shoes 120410 1B 135 White NIB FREE SHIPPING TO ANYWHERE IN THE USA THIS WOMEN’S SHOE IS FOR: The Glycerin Stealthfit 21 is for runners who want a snug, close-to-foot fit and supreme softness in every step — so they can get lost in the comfortable ride and run distraction-free. Predecessor: Brooks Glycerin Stealthfit 20. SUPREME SOFTNESS: Now with even more super-soft nitrogen-infused DNA LOFT v3 cushioning that is optimized to be lightweight, responsive, and durable with plush comfort. SECURE, ADAPTABLE FIT: Updated flat knit upper Stealthfit construction offers a blend of stretch and compression for a closer fit which provides seamless structure, breathability and adapts to the movements of your foot.