The Guide 18 is our core maximum cushioning training shoe. Built for comfort and protection, the Guide 18 is a cushioned everyday trainer that combines our soft and responsive PWRRUN foam with our exclusive Center Path Technology that keeps the foot centered and supported to deliver a best in class underfoot experience by maintaining a standard centerline, increasing the height of the sidewalls and building it on a rocker shape to ease toe off.Features:- Maximal Cushioning shoes have a broad base geometry where the foot sits deep inside a stable platform resulting in an exceptionally well cushioned ride but one that also provides protection and inherent support- Featuring Center Path Technology, asymmetric geometry that centers the foot from lateral crash through toe off to provide a more consistent, balanced and supportive experience- Plenty of soft and responsive PWRRUN foam underfoot for smooth and comfortable miles and ultimate protection- XT-900 carbon rubber outsole for durable traction- Breathable and supportive engineered mesh upper for versatile wearability- Sustainability: This Style Is Vegan And Contains Recycled Materials- Cushioning Pwrrun- Sockliner Pwrrun+Specifications:- Weight: 8.6oz (245g)Technology:Center Path Technology:- Center Path Technology provides comfort and protection with a broader platform, higher sidewalls, an asymmetric profile and a rocker shape that guides your stride from impact to toe off.Pwrrun+:- Pwrrun+ foam - our softest-feeling foam that´s unbelievably plush and springyPwrrun:- A versatile foam aiming to deliver comfort, support and reliability from the first step to the last