Tested and proven for durably waterproof, windproof, & breathable performance, GORE-TEX product technology is backed by the GORE-TEX GUARANTEED TO KEEP YOU DRY promise. Vibram Megagrip is a high-performance sticky rubber that offers unparalleled grip on both wet and dry surfaces, rugged longevity, and optimal ground adaptability. This product received the American Podiatric Medical Association (APMA) Seal of Acceptance, awarded to products found by the Association to promote good foot health.