100% Synthetic Made in the USA or Imported Rubber sole BEST FOR: High-performance fitness walking PERFORMANCE TECH: RE-ZORB responsive cushioning for shock absorption + impact protection MADE FOR WOMEN FIT: Designed for a woman’s unique foot shape muscle movement and build with a narrower heel roomier toe and softer foot cushioning MATERIALS: Breathable engineered mesh iridescent overlays + soft Lycra-lined tongue and collar with built-in cushion OUTSOLE: Eight-piece rubber sole for increased traction + durability