Brooks Glycerin 20 athletic running walking workout gym or casual shoes. Brand new. The Glycerin 20 is for runners who think there is no such thing as too much cushioning. SUPREME SOFTNESS: The ultimate in softness and supreme comfort, designed for runners who want pillowy soft cushioning. The Glycerin 20 with nitrogen-infused DNA LOFT v3 offers the softest cushioning optimized to be lightweight, responsive, and durable. Follow us for shoes for less with discounts on top brand Brooks Hoka Nike Asics New Balance and other athletic running shoes and to keep up on new listings added daily. Offers welcomed, thank you. @poshmark