Asics Gel-Kayano 31/Black/Purple/1012B670-003. Key Specifications:. As the successor to the Kayano 30, it continues the series' focus on adaptive stability for runners who overpronate, providing a supportive yet cloud-like underfoot experience.. Design Highlights:. Official Colourway: Black / Bold Magenta.. Weight: Approximately 266g (9.3 oz) for a women's size 8.. Stack Height: 39mm (Heel) / 29mm (Forefoot) for a 10mm heel drop.. Upper: Improved engineered mesh upper made with 50% recycled polyester for enhanced breathability and a lightweight feel.. Midsole: Combines FF BLAST™ PLUS ECO cushioning (made with 24% bio-based content) for energized, cloud-like comfort.. Outsole: Features Hybrid ASICSGRIP™—a strategic combination of ASICSGRIP and AHARPLUS™ rubber—for superior traction and durability on road surfaces.. 4D GUIDANCE SYSTEM™: An adaptive stability technology that guides the foot through every step, providing support only when needed for a more balanced stride.. PureGEL™ Technology: Positioned in the rearfoot, this material is 65% softer than conventional GEL™, significantly improving shock absorption for smoother transitions.. OrthoLite™ X-55 Sockliner: Provides high-rebound comfort and manages moisture during long-distance training.. Modernised Knit Collar: Designed for a luxurious step-in feel, complemented by an advanced pull-tab for easy on-and-off access.. Usage:. Ideal as a daily stability trainer for road running, walking, or all-day standing.. Target Audience: Specifically designed for overpronators with normal to low arches who require extra medial support.. Sustainability: At least 75% of the primary upper material is made from recycled content to reduce carbon emissions and waste.. Age Group: Adults. Target Gender: Unisex. Authentication. Delivery and Returns

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