BEST FOR: High-performance fitness walking PERFORMANCE TECH: RE-ZORB responsive cushioning for shock absorption + impact protection MADE FOR WOMEN FIT: Designed for a womans unique foot shape, muscle movement, and build with a narrower heel, roomier toe, and softer foot cushioning MATERIALS: Breathable engineered mesh + soft Lycra-lined tongue and collar with built-in cushion OUTSOLE: Eight-piece rubber sole for increased traction + durability