For all of your stability and support needs, Saucony Redeemer ISO running shoes are crafted to deliver incredibly reliable performance. These shoes provide excellent structure without sacrificing any flexibility. You'll feel and appreciate the sock-like fit of the ISOFIT upper and the more accommodating foot environment of the new FOUNDATION platform. Great for training.Upper: ISOFIT creates a dynamic fit system tailored to provide stabilizing support. Padded tongue and heel collar enhance comfort. Flat laces reduce irritation. Mesh offers breathable flexibility. Synthetic overlays provide lightweight support.Midsole: FOUNDATION Platform creates a more comfortable and accommodating fit. PWRGRID+ provides 20% more cushioning compared to standard midsoles. TPU pillars within a co-molded post provide excellent stability. SRC Impact Zone absorbs shock and extends to midfoot for smooth transition. Support Frame enhances rearfoot stability upon impact. 6mm PU sockliner delivers superior comfort, cushioning and durability. Removable insole.Outsole: iBR+ is 33% lighter and more cushioned than standard blown rubber. XT-900 carbon rubber offers exceptional traction and high-wear properties.