Pearl iZUMi Women's Syncro Float IV Neutral + Shoe 100% Synthetic and mesh Rubber sole Hybrid blown rubber and carbon rubber forefoot with carbon rubber heel crash pad Segmented forefoot for a smooth, efficient ride NEW Ortholite? sockliner for amazing step-in comfort and long-lasting cushioning NEW 100% recycled lace webbing and laces Heel/Toe offset: 24.0mm/12.0mm