Summit White/White Boots A GORE-TEX finish on the upper is designed to help keep weather at bay so you can stay focused on the adventure Nike Air technology absorbs impact for cushioning with every step Metal eyestays and lacing clasps add durability Extra padding around the ankle helps keep it plush and supportive, especially when carrying heavy loads Synthetic upper materials Reflectivity in the laces SKU: DD2858-100 Built with superlight and tough materials, including a durable plastic midfoot shank, the Air Zoom Gaiadome Gore-Tex shoes deliver a propulsive sensation, comfort and cushioning. Pair this with rubber outsole details and large, three-pronged traction patterns and you'll be scrambling where you probably shouldn't be. Note: US Mens Sizing.