Built for reliable cold-weather performance, this tech-heavy hiking shoe features a stretchy zip shaft and Gore-Tex® waterproof membrane. Heel-to-toe stabilization and a Continental™ WinterGrip rubber tread keep every step confidently grounded, even on rocky or uneven terrain. Waterproof: protects against rain, puddles and slush to keep feet dry in wet conditions Energy return: transforms every heel strike into responsive, explosive forward movement COLD.RDY lightweight insulation traps heat to keep you warm without adding bulk Textile and synthetic upper/textile lining/rubber sole Imported