The unstoppable trail comfort you already know and love, now all-weather ready. The upper features a GORE-TEXA(R) Invisible Fit membrane to seal out rain, mud, and snow. The outsole features VibramA(R) Megagrip rubber to keep you surefooted in slippery conditions-maintaining the intentional lug pattern and depth of Ultraventure that allows you to transition from the trail to road to gravel without missing a beat. The high-cushioned platform features our ZipFoam(TM) midsole for a soft, yet responsive ride to carry you through. Same legendary comfort-now made waterproof. Specs Best For:Trail Running, Hiking Stack Height:35 mm (heel) x 30 mm (forefoot) Heel to Toe Drop:5 mm Weight:11.1 OZ (M9) Gaiter Compatible: Yes Rock Plate: No Cushion: High Underfoot Feel: Balanced Support: Neutral