SHULOOK Men's Waterproof Hiking Shoes Lightweight Outdoor Ankle Boots Men's 12

SHULOOK Men's Waterproof Hiking Shoes Lightweight Anti Slip Outdoor Ankle Boots Breathable Hike Trekking Trails Shoe Men's Size 12 Like New! Smoke Free Environment Waterproof & Breathable The SL-TEX film has 8 billion tiny pores per square inch. This is the key technology for the windproof, waterproof and breathable performance of SL-TEX fabrics. These small holes are one-20,000th of liquid water droplets, but 700 times the size of water molecules, so water droplets cannot penetrate them, but water vapor can be discharged.