ASICS Women's Gel-Fit Yui Cross-Trainer Shoe 100% Textile and Synthetic Imported Rubber sole Rearfoot GEL Cushioning System: Attenuates shock during impact phase and allows for a smooth transition to midstance. AHAR Outsole: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.