Move your mind with Asics® Women's Gel-Kayano™ 31 shoe’s adaptive stability and premium comfort. ​​The 4D GUIDANCE SYSTEM™ helps provide adaptive stability. This helps you experience a more supportive and balanced stride during your distance training. ​​Its midsole implements FF BLAST™ PLUS ECO cushioning and PureGEL™ technology. These features make your distance training feel smooth and comfortable. ​Engineered mesh upper improves breathability Knit collar and heel tab External back heel counter keeps the foot stable and provide a more comfortable stride 4D GUIDANCE SYSTEM™ feature creates adaptive stability for a more balanced stride Rearfoot PureGEL™ technology provides lightweight cushioning and softer landings FF BLAST™ PLUS ECO cushioning made with approximately 20% bio-based content and helps provide cloud-like comfort OrthoLite™ X-55 sockliner improves comfort Reflective details designed to help improve visibility Hybrid ASICSGRIP™ improves the outsole grip Sockliner produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology Carbon footprint 27% lower than industry average Product Features: Weight:9.3 oz. (266 g) Upper:Engineered Mesh Outsole:Hybrid ASICSGRIP™ rubber traction Liner:OrthoLite™ X-55 cushioned foam Height:Stack Height: 39-29mm; Drop: 10mm Footbed:FF BLAST™ PLUS ECO cushioning (20% bio-based content); Rearfoot PureGEL™ technology Asics Women's Gel-Kayano 31 Running Shoe