GORE-TEX TechnologiesMade using nubuck leather uppers with a fully waterproof and breathable GORE-TEX lining, Meindl Philadelphia Lady GTX Shoes will keep you dry and comfortable on long treks.__ Their Meindl Comfort Sport sole unit gives the optimum heel-to-toe motion, whith an Air Active Wellness Sport footbed for added comfort.Nubuck leatherWider fit than the standard Meindl fit Sole: Meindl  Comfort Fit Sport - double density sole Weight: 910 grams (size 8), 710 grams (size 4.5)