Men's Brooks Glycerin 21, White/White/Grey, 9 D Medium Model:Brooks Glycerin CURREX RunPRO Dynamic insoles are

CURREX RunPRO Dynamic insoles are some of the best aftermarket insoles available

SMART Reflective Technology - Innovative 360-degree reflective yarn for night visibility and safety

With 3 different profiles for different foot shapes

Stylish and functional

CURREX RunPRO deliver added structure and cushion to your shoes while still being flexible for your feet to comfortably move through your gait cycle

Men's Brooks Glycerin 21, White/White/Grey, 9 D Medium Model:Brooks Glycerin CURREX RunPRO Dynamic insoles areTrusted by Athletes, Certified by Experts Relay is a resale marketplace that sells pre owned performance running shoes from authorized dealers. These models were online returns, try ons or previous season models. Every shoe is backed by our Run Ready Guarantee and 30 Day Unlimited Mile Trial. Why Relay Goods? Expert certified zero milage shoes, returned simply because of fit. Industry leading authentication and quality assurance processes. Sourced