ECCO Women's Ulterra Mid Hydromax-W 100% Leather Imported Rubber sole Uppers made of strong yak sued with a supportive lace system for a snug fit Hydromax treated leather for enhanced water resistance Direct-injected polyurethane midsole foam and roomy last provide long lasting cushioning and outstanding hiking comfort Receptor technology for excellent stability and dynamic support from ground impact to toe off Durable rubber outsole for outstanding grip and traction on rough terrain