ASICS Women's GEL-Solution Slam 3 Tennis Shoe 100% Synthetic Imported Rubber sole AHAR Outsole: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability. Forefoot GEL Cushioning System (COURT): Attenuates shock during impact phase. SpEVA Midsole Material: Improves bounce back characteristics and decreases midsole breakdown. Synthetic Leather Upper: Easy to clean. Trusstic System Technology: Reduces the weight of the sole unit while retaining the structural integrity of the shoe.