The Ravenna 11 features:

• A one-piece, single-layer mesh upper and internal bootie offer maximum breathability and light weight
• GuideRails support technology keeps you moving comfortably by keeping excess movement in check to protect the knees
• BioMoGo DNA midsole cushioning and rebounding rubber deliver comfort without adding extra weight
• The Midfoot Transition Zone is shaped to go from heel to toe quickly
• Additional structure around the arch offers a secure fit
• 9 oz.