ASICS Women's Met-Conviction Cross-Trainer Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately 2.5" from arch SpEVA Midsole: Material Improves bounce-back characteristics and decreases midsole breakdown. AHAR Plus Outsole: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability. ComforDry Sock liner Provides cushioning performance and anti-microbial properties for a cooler, drier, healthier environment. Lace Garage: A pocket enabling the laces to be tucked in and unexposed. Reinforced Vamp