Details From 5Ks to full marathons, the ASICS Men's Gel Kayano 30® shoe is designed to provide advanced stability and softer cushioning properties. The new 4D GUIDANCE SYSTEM™ helps provide adaptive stability. This helps you experience a more supportive and balanced stride during your distance training. Its midsole is revamped with FF BLAST™ PLUS ECO cushioning and a 4mm stack height increase. With approximately 20% bio-based content, this material helps create cloud-like softness in every step. The new PureGEL™ technology is strategically positioned below the heel for a smoother ride. It's 65% softer than conventional GET™ technology, allowing your distance training to feel surprisingly smooth. Upper Engineered stretch knit upper with improved breathability OrthoLite X-55 sockliner for step in comfort At least 75% of the shoe's main upper material is made with recycled content to reduce waste and carbon emissions The sockliner is 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. Reflective details Midsole 4D GUIDANCE SYSTEM helps create adaptive stability for a more balanced stride Sculpted midsole provides more lateral compression FF BLAST™ PLUS ECO cushioning guides your foot to the best position after every landing Outsole Wider basenets for a more stable platform Heel New PureGEL technology for enhanced shock absorption, softer landings and smoother transitions. AHARPLUS heel plug rubber helps improved durability 40 mm Forefoot 30 mm Offset 10 mm Width Standard (D) Weight 10.7 oz ASICS GEL-Kayano 30 Men's