Propet Men's Eiger Low unknown Synthetic sole Shaft measures approximately 4" from arch Suede nylon mesh upper with Sealtex waterproof construction offers weather resistance to keep out the elements. Reinforced rubber toe bumper adds protection against bumps and extra durability. Soft mesh lining creates a comfortably cool foot environment. Internal heel counter helps stabilize your steps. EVA rubber outsole provides sure-footed traction and durability.