Brooks Women's Ghost Max 2 Running ShoesDesign:Engineered air mesh upper for a comfortable, breathable fitUnique Linear Last construction adds more volume to the shoe for a comfortable fit inclusive of foot shapes and orthoticsLower 6mm offset which can reduce strain on the plantar fasciaA broad base offers inherent stability for a secure feel that doesn't interfere with a neutral strideIn-Shoe Comfort:Nitrogen-infused DNA LOFT v3 technology offers just-right softnessGlideRoll Rocker actively promotes smooth heel-toe transitions for an effortless feeling as you moveGlideRoll Rocker can help reduce muscular strain at the ankle joint