ACG Air Zoom Gaiadome GORE-TEX Boots Grey Fog / Pure PlatinumNike ACG Air Zoom Gaiadome GORE TEX Boots Grey Fog Pure Platinum The ACG Air Zoom Gaiadome GORE TEX Boots are made from heavy duty materials, they include GORE TEX technology and large lugs finely tuned to steep mountain slopes. Put simply, they're specifically designed for whatever you want to do out there: hike, backpack or simply explore. Synthetic Upper GORE TEX Finish Padded Ankle Reflective Details Heel Pull Tab Hiking Laces Air Cushioning