Men. X ULTRA 4 LEATHER GORE-TEX. L41351500. Men's Leather Hiking Shoes. Agility, stability and grip in a premium leather hiking shoe. Great at powering through uphills and descents, the X-ULTRA is now available in premium leather for a classic, refined look and robust waterproof GORE-TEX protection. You still get stacks of stability and grip to tackle technical terrain, as well as an innovative chassis that protects sensitive articulations without compromising freedom of movement. Premium leather. Wrapped in high-quality leather with a GORE-TEX membrane, this shoe offers refined elegance and complete waterproof protection on any hike.