Packed with comfort and tech features, our Port Union waterproof boots feature clean silhouettes, eco-conscious materials, and style that won't quit. DETAILS AND CARE Better Leather from tanneries rated silver for their water, energy, and waste management practices TimberDry™ waterproof membrane made of 50% recycled plastic bottles ReBOTL™ fabric lining containing at least 50% recycled plastic Lightweight OrthoLite® footbed for all-day comfort SensorFlex™ technology