Get ready for the tallest mountains and steepest drops with the Boundary Ridge GORE-TEX Glove that stands up to 100-day seasonsin-bounds and out. It features an unbeatable combination of everlasting Pittards goat leather, GORE-TEX waterproof breathable technology, and PrimaLoft Gold insulation fused with a NASA-developed aerogel technology. That's a top-of-the-line formula to complete your elite kit for cat trips, heli drops, and sidecountry storm laps.