ASICS Women's Gel-Nitrofuze TR Cross-Trainer Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch Heel measures approximately 1.25" Platform measures approximately 0.75 inches Fuzegel midsole: Asics new gel cushioning technology made from the fusion of gel and foam creates lightweight comfort, tuned to provide rear foot shock absorption that shifts to forefoot bounce back Solyte midsole material: a lighter weight midsole compound than asics' standard Eva and speva. Also features enhanced cushioning and durability Seamless construction: the use of seamless materials reduces the potential for irritation and friction caused by traditional stitches and seams