Worn. Pictured Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort. Bio-based content is made from renewable resources to help reduce our carbon footprint Toe Protect technology helps protect feet from rocks, roots and debris Synthetic/mesh upper provides increased breathability Two-part midsole offers enhanced durability 4 mm drop; due to variances created during the development and manufacturing processes, all references to 4 mm drop are approximate