ASICS Men's Met-Conviction Cross-Trainer Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately 2.55" 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 sockliner 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