Low-top runners with a socklike feel and lace-up closure Updated Stealth Fit flat knit upper provides foot compression and extended flexibility for closer fit and more natural movement Upgraded cushioning with 2mm more Nitrogen-infused DNA Loft V3 technology for maximum softness Redesigned midsole and outsole offer a wider platform for smoother, easier transitions Patterned outsole for durability on road runs and beyond The Brooks Glycerin Stealthfit 21 is imported. The Women's Brooks Glycerin Stealthfit 21 Running Shoes pushes an already near-perfected design to a new peak. An updated Stealth Fit flat knit upper compresses your foot and increases your range of motion, while an added 2mm of nitrogen-infused DNA Loft V3 technology provides sensationally soft cushioning that'll have you comfortably coasting run after run.