ASICS Women's Gel-Craze TR 4 Cross-Trainer Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately low-top from arch Heel measures approximately 1.5" Platform measures approximately 1. inches fuzeGEL Midsole: ASICS new GEL cushioning technology made from the fusion of GEL and foam creates lightweight comfort, tuned to provide rearfoot shock absorption that shifts to forefoot bounce back. AHAR Outsole: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability. Solyte Midsole Material: A lighter weight midsole compound than ASICS' standard EVA and SpEVA. Also features enhanced cushioning and durability.