The men's Bullet GTX hiking / trail / adventure shoes from Asolo feature a leather upper for a great look. Features Power Lite technology, specifically designed for trekking; encompasses performance, lightweight and visual technology. Hardy 1.6-1.8mm water resistant, greased suede leather upper offers exceptional durability. High tenacity nylon inserts are abrasion resistant and help maintain a breathable environment. GORE-TEX® Extended Comfort Footwear technology offers waterproof protection to ensure feet stay dry and comfortably cool. This non-insulated safeguard is best suited for moderate to warm climates.