Super soft cushion meets unstoppable support. With DNA LOFT and built-in GuideRails® support, this shoe delivers the ultimate in comfort for your run. Glycerin GTS is the new Transcend. Air mesh upper creates a more snug fit, and added breathability Put your feet first with the APMA Seal of Acceptance IN-SHOE COMFORT: DNA loft full length midsole cushioning for a high end soft ride TRACTION & DURABILITY: Blown rubber in the forefoot offers durability, responsiveness, and flexibility GuideRails added support system Shoe Type: Stability Midsole Drop: 10mm Weight: 8.9 oz | Brooks Women's Glycerin GTS 20 Shoes in Black/White/Alloy | Size: 8.5 Width: B | Fit2Run