Thanks to waterproof GORE-TEX Invisible Fit linings, these Topo Athletic boots are ready for rain or shine, muddy or dry. A new universal gaiter system works with your gaiters to keep out debris. Features GORE-TEX Invisible Fit provides a lightweight, waterproof lining while maintaining the signature Topo Athletic roomy toe boxes Roomy toe boxes allow for better comfort and control, while a snug fit through the midfoot and heel keeps you locked in These now feature a universal gaiter system with hook-and-loop attachments (gaiters not included) High-cushioned platforms with ZipFoam(TM) midsoles for a soft yet responsive ride External TPU heel counters provide heel support and security Full-length rock plates offer additional protection from rocks and roots VibramA(R) Megagrip outsoles offer serious traction on technical terrain in both wet and dry conditions Weight (half pair): 15.3 oz.