Glycerin 20::Black/White/Alloy Addiction GTS 15 The Stealth Fit design provides

The Stealth Fit design provides a light compression fit and holds your foot in a stretchy well knit strong fabric along with other materials made out of approximately 5 plastic water bottles

With its blend of waterproof leather upper and non-marking rubber sole

The Brooks Ariel '20 focuses primarily on the knees with the addition of the GuideRail system to help keep any excess movement

from happening

you'll stay waterproof and comfortable all day long as your foot is cradled in its dual-density footbed

Glycerin 20::Black/White/Alloy Addiction GTS 15 The Stealth Fit design providesThe Brooks Glycerin 20 neutral cushioned running shoes are the final word on comfort thanks to new, supremely soft DNA LOFT v3 cushioning, an updated, improved fit and silky smooth transitions.