ASICS Men's Gel-scram 3 Trail Runner 100% Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch Rearfoot GEL Cushioning System: Attenuates shock during impact phase and allows for a smooth transition to midstance. Trail Specific Outsole: Reversed lugs provide uphill and downhill traction on all types of terrain. Removable Sockliner: A sockliner which can be removed to accommodate a medical orthotic. Removable Sockliner: A sockliner which can be removed to accommodate a medical orthotic.